NO161294B - Dentifrice. - Google Patents
Dentifrice. Download PDFInfo
- Publication number
- NO161294B NO161294B NO822157A NO822157A NO161294B NO 161294 B NO161294 B NO 161294B NO 822157 A NO822157 A NO 822157A NO 822157 A NO822157 A NO 822157A NO 161294 B NO161294 B NO 161294B
- Authority
- NO
- Norway
- Prior art keywords
- weight
- dentifrice
- dental care
- dentifrices
- agent
- Prior art date
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- 239000000551 dentifrice Substances 0.000 title description 63
- 239000003795 chemical substances by application Substances 0.000 claims description 38
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 29
- -1 polyoxyethylene Polymers 0.000 claims description 28
- 239000000845 maltitol Substances 0.000 claims description 20
- VQHSOMBJVWLPSR-WUJBLJFYSA-N maltitol Chemical compound OC[C@H](O)[C@@H](O)[C@@H]([C@H](O)CO)O[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O VQHSOMBJVWLPSR-WUJBLJFYSA-N 0.000 claims description 20
- 235000010449 maltitol Nutrition 0.000 claims description 20
- 229940035436 maltitol Drugs 0.000 claims description 20
- 238000005498 polishing Methods 0.000 claims description 20
- 229920001285 xanthan gum Polymers 0.000 claims description 16
- 229910052783 alkali metal Inorganic materials 0.000 claims description 11
- 239000003945 anionic surfactant Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
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- 235000010493 xanthan gum Nutrition 0.000 claims description 10
- 229940082509 xanthan gum Drugs 0.000 claims description 10
- 229920001400 block copolymer Polymers 0.000 claims description 8
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 3
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- 239000000047 product Substances 0.000 description 25
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- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 9
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 9
- 210000004268 dentin Anatomy 0.000 description 8
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- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 4
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- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- GUBGYTABKSRVRQ-QUYVBRFLSA-N beta-maltose Chemical compound OC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O GUBGYTABKSRVRQ-QUYVBRFLSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229960003563 calcium carbonate Drugs 0.000 description 1
- JUNWLZAGQLJVLR-UHFFFAOYSA-J calcium diphosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])(=O)OP([O-])([O-])=O JUNWLZAGQLJVLR-UHFFFAOYSA-J 0.000 description 1
- XAAHAAMILDNBPS-UHFFFAOYSA-L calcium hydrogenphosphate dihydrate Chemical compound O.O.[Ca+2].OP([O-])([O-])=O XAAHAAMILDNBPS-UHFFFAOYSA-L 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 229940043256 calcium pyrophosphate Drugs 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical class C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 1
- 235000017803 cinnamon Nutrition 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000625 cyclamic acid and its Na and Ca salt Substances 0.000 description 1
- 238000005115 demineralization Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
- 235000019838 diammonium phosphate Nutrition 0.000 description 1
- SAEOCANGOMBQSP-UHFFFAOYSA-N diazanium;fluoro-dioxido-oxo-$l^{5}-phosphane Chemical compound [NH4+].[NH4+].[O-]P([O-])(F)=O SAEOCANGOMBQSP-UHFFFAOYSA-N 0.000 description 1
- 235000019821 dicalcium diphosphate Nutrition 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- SXWUDUINABFBMK-UHFFFAOYSA-L dilithium;fluoro-dioxido-oxo-$l^{5}-phosphane Chemical compound [Li+].[Li+].[O-]P([O-])(F)=O SXWUDUINABFBMK-UHFFFAOYSA-L 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- FXNRKXSSLJKNGH-UHFFFAOYSA-L dipotassium;fluoro-dioxido-oxo-$l^{5}-phosphane Chemical compound [K+].[K+].[O-]P([O-])(F)=O FXNRKXSSLJKNGH-UHFFFAOYSA-L 0.000 description 1
- BJZIJOLEWHWTJO-UHFFFAOYSA-H dipotassium;hexafluorozirconium(2-) Chemical compound [F-].[F-].[F-].[F-].[F-].[F-].[K+].[K+].[Zr+4] BJZIJOLEWHWTJO-UHFFFAOYSA-H 0.000 description 1
- UMGSFZGNYYDQSL-UHFFFAOYSA-H disodium;tin(4+);hexafluoride Chemical compound [F-].[F-].[F-].[F-].[F-].[F-].[Na+].[Na+].[Sn+4] UMGSFZGNYYDQSL-UHFFFAOYSA-H 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 235000001050 hortel pimenta Nutrition 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 229960001375 lactose Drugs 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229960002160 maltose Drugs 0.000 description 1
- FYGDTMLNYKFZSV-UHFFFAOYSA-N mannotriose Natural products OC1C(O)C(O)C(CO)OC1OC1C(CO)OC(OC2C(OC(O)C(O)C2O)CO)C(O)C1O FYGDTMLNYKFZSV-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 1
- 229960001047 methyl salicylate Drugs 0.000 description 1
- 210000002200 mouth mucosa Anatomy 0.000 description 1
- 239000002324 mouth wash Substances 0.000 description 1
- 229940051866 mouthwash Drugs 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
- 229940081974 saccharin Drugs 0.000 description 1
- 235000019204 saccharin Nutrition 0.000 description 1
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 1
- 235000002020 sage Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229960001462 sodium cyclamate Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229960002799 stannous fluoride Drugs 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 229960004793 sucrose Drugs 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 235000019605 sweet taste sensations Nutrition 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- AFNRRBXCCXDRPS-UHFFFAOYSA-N tin(ii) sulfide Chemical compound [Sn]=S AFNRRBXCCXDRPS-UHFFFAOYSA-N 0.000 description 1
- YUOWTJMRMWQJDA-UHFFFAOYSA-J tin(iv) fluoride Chemical compound [F-].[F-].[F-].[F-].[Sn+4] YUOWTJMRMWQJDA-UHFFFAOYSA-J 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
- FYGDTMLNYKFZSV-BYLHFPJWSA-N β-1,4-galactotrioside Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@H](CO)O[C@@H](O[C@@H]2[C@@H](O[C@@H](O)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O FYGDTMLNYKFZSV-BYLHFPJWSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/26—Aluminium; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/60—Sugars; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/731—Cellulose; Quaternized cellulose derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/90—Block copolymers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Inorganic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cosmetics (AREA)
- Detergent Compositions (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
Oppfinnelsen angår skummende tannpleiemidler og mer spesielt et tannpleiemiddel hvori det anvendte overflateaktive middel er ikke-ionisk. The invention relates to foaming dentifrices and more particularly to a dentifrice in which the surfactant used is non-ionic.
Skum er en ønsket egenskap ved tannpleiemidler da det sprer tannpleiemidlet gjennom hele munnhulen under børstingen av tennene, hvorved kontakten mellom tannpleiemidlet og tennenes overflate befordres og en typisk følelse i munnen fås. Foam is a desired property of toothpaste as it spreads the toothpaste throughout the entire oral cavity during tooth brushing, whereby the contact between the toothpaste and the surface of the teeth is promoted and a typical feeling in the mouth is obtained.
Skum, spesielt fyldig skum, oppnås i alminnelighet ved Foam, especially rich foam, is generally obtained by
å anvende et anionisk overflateaktivt middel. Andre overflateaktive midler, spesielt ikke- ioniske overflateaktive midler, er typiske ved at de ikke danner skum like godt som de anioniske overflateaktive midler. Blant det store antall anioniske overflateaktive midler er bare noen få blitt anvendt kommersielt i tannpleiemidler. Det mest vanlig anvendte av disse er natriumlaurylsulfat. to use an anionic surfactant. Other surfactants, especially non-ionic surfactants, are typical in that they do not foam as well as the anionic surfactants. Among the large number of anionic surfactants, only a few have been used commercially in dentifrices. The most commonly used of these is sodium lauryl sulfate.
Anioniske overflateaktive midler kan forårsake visse milde bivirkninger som enkelte brukere kan finne noe uønsket. For eksempel kan enkelte brukere forbigående erfare en Anionic surfactants can cause certain mild side effects that some users may find somewhat undesirable. For example, some users may temporarily experience one
moderat irritasjon i munnhulen, mild bitterhet, løsning av enkelte munnhuleslimhinner eller en utiltalende smaksreaksjon når de drikker eller spiser sitrus kort tid efter børsting av tennene, når et tannpleiemiddel inneholdende et anionisk overflateaktivt middel anvendes. moderate irritation in the oral cavity, mild bitterness, loosening of some oral mucosa or an unpleasant taste reaction when drinking or eating citrus shortly after brushing the teeth, when a dentifrice containing an anionic surfactant is used.
Selv om det har vært kjent at overflateaktive egenskaper vil kunne bibringes et tannpleiemiddel ved hjelp av et ikke- ionisk overflateaktivt middel, er et slikt middel vanligvis ikke blitt anvendt da skumdannelsen går tapt med mindre det suppleres med et anionisk overflateaktivt middel. Although it has been known that surfactant properties could be imparted to a dentifrice by means of a non-ionic surfactant, such an agent has not usually been used as foaming is lost unless it is supplemented with an anionic surfactant.
Det er en fordel ved den foreliggende oppfinnelse at It is an advantage of the present invention that
et tannpleiemiddel som lett kan klemmes ut av en tannpasta-tube og som inneholder et ikke- ionisk overflateaktivt middel og et spesielt bindemiddel anvendes under erholdelse av et ønsket stabilt, fyldig skum. Det er en ytterligere fordel ved oppfinnelsen at tannpleiemidlet når det anvendes, er søtt uten at det er nødvendig at et søtningsmiddel er tilstede, a dentifrice which can be easily squeezed out of a toothpaste tube and which contains a non-ionic surface-active agent and a special binder is used to obtain a desired stable, full foam. It is a further advantage of the invention that the dentifrice when used is sweet without the need for a sweetener to be present,
og ikke irriterende, samtidig som det heller ikke er til-bøyelig til å bevirke at brukerne vil erfare løsning av munnhuleslimhinner eller en uønsket sitrussmaksreaksjon efter and not irritating, while it is also not likely to cause users to experience loosening of oral mucous membranes or an unwanted citrus taste reaction after
bruk av tannpleiemidlet. use of the dental care product.
Ytterligere fordeler ved oppfinnelsen vil fremgå av den nedenstående beskrivelse. Further advantages of the invention will be apparent from the following description.
Oppfinnelsen angår et tannpleiemiddel som omfatter 20-80 vekt% av en flytende, fuktighetsbevarende bærerkomponent, 0,5-7 vekt% xanthangummi og 1-10 vekt% ikke-ionisk polyoxyethylen/polyoxypropylen-blokkopolymer, og tannpleiemidlet er særpreget ved at det er fritt for anionisk overflateaktivt middel og at harpiksaktig polyethylenoxyd fortrinnsvis er tilstede og da i en mengde av opp til 5 vekt%. The invention relates to a dentifrice comprising 20-80% by weight of a liquid, moisture-preserving carrier component, 0.5-7% by weight xanthan gum and 1-10% by weight non-ionic polyoxyethylene/polyoxypropylene block copolymer, and the dentifrice is characterized by the fact that it is free for anionic surfactant and that resinous polyethylene oxide is preferably present and then in an amount of up to 5% by weight.
Det ikke-ioniske overflateaktive middel som anvendes The nonionic surfactant used
i tannpleiemidlet ifølge oppfinnelsen, er en blokkopolymer som inneholder polyoxyethylen og polyoxypropylen. Slike blokkopolymerer er tilgjengelige under varemerket Pluronic . <få>) De kan være flytende, pastaer eller faste stoffer og blir in the dental care product according to the invention, is a block copolymer containing polyoxyethylene and polyoxypropylene. Such block copolymers are available under the trade name Pluronic. <few>) They can be liquids, pastes or solids and remain
i alminnelighet definert kjemisk uttrykt ved molekylvekten for den hydrofobe polyoxypropylendel og vektprosenten av den hydrofile polyoxyethylendel. De følgende blokkopolymerer er tilgjengelige under det nevnte varemerke;.: generally defined chemically expressed by the molecular weight of the hydrophobic polyoxypropylene part and the percentage by weight of the hydrophilic polyoxyethylene part. The following block copolymers are available under the aforementioned brand:
De foretrukne ikke-ionogene blokkopolymerer er faste The preferred nonionic block copolymers are solid
(r) (s)
(f.eks. flak) materialer, og de mest foretrukne er Pluronic<*>^ 108 (80% polyoxyethylen, molekylvekt polyoxypropylen 3250) og F 87 (70% polyoxyethylen, molekylvekt polyoxypropylen 2250) . Det ikke-ionogene overflateaktive middel anvendes i tannpleiemidlet i en mengde av 1-10 vekt%, fortrinnsvis 2-5 vekt%, og helst ca. 3 vekt%. ;Binde- eller gelmiddelsystemet av xanthan eller xanthan og polyethylenoxydharpiks samarbeider med det ikke-ionogene overflateaktive middel og gir stabilt, fyldig skum (selv om det eneste tilstedeværende overflateaktive middel er ikke-ionogent) og ønskede munnfølelsesegenskaper for tannpleiemidlet. Xanthangummi muliggjør, i de beskrevne konsentrasjoner, at det dannes et stabilt fyldig skum. Ifølge en foretrukken utførelsesform av den foreliggende oppfinnelse kan dessuten munnfølelsesegenskapene forandres som beskrevet ved tilsetning av harpiksaktig polyethylenoxyd. Tannpleiemidlet har ønsket viskositet slik at det kan klemmes ut fra en tann-pleiemiddeltube i form av et bånd. ;Harpiksaktig polyethylenoxyd er blitt beskrevet som ;et tannpleiegel- eller -bindemiddel i US patentskrift 2991229. Dets nærvær gjør at tannpleiemidlet får en glattere tekstur. ;Polyethylenoxydene som anvendes i tannpleiemidlet ifølge oppfinnelsen, er faste, farveløse, vannoppløselige harpikser. De synes å danne homogene systemer i vann i alle forholdsvise mengder selv om den forholdsvis høyere molekylvekt for ethylenoxydpolymerer bare fører til at disse sveller ved tilsetning av små vannmengder. Ved tilsetning av større vannmengder går polymerene over i oppløsning. De vandige oppløsninger har høy viskositet idet denne øker såvel med konsentrasjon av polymeren i oppløsningen som med nedsatt viskositet for polymeren. Ethylenoxydpolymerene som anvendes i tannpleiemidlet ifølge oppfinnelsen, oppviser liten for-andring i smeltepunkt med øket redusert viskositet (en indika-sjon på øket molekylvekt), og smeltepunktet, målt ved stivhets-forandring med temperaturen, viste seg å være 6 5 -2°C over hele området av reduserte viskositeter fra 1,0 til 10 og derover. Ved røntgenundersøkelse viser disse polymerer en krystallinsk struktur lignende den som vises av polyethylen. Krystalliseringstemperaturen, bestemt ved å måle bruddet i avkjølingskurven, er ca. 55°C. ;For å lette forståelsen av den foreliggende oppfinnelse vil forskjellige betegnelser bli definert. Det skal først bemerkes at betegnelsen "polyethylenoxyd" som her anvendt refer-erer seg til ethylenoxydpolymerer som har en redusert viskositet i acetonitril av minst 0,5 og oppad til 75 og høyere. ;Dersom intet annet er angitt skal betegnelsen "redusert viskositet" her bety en verdi erholdt ved å dele den spesifikke viskositet med konsentrasjonen av ethylenoxydpolymeren i opp-løsningen, idet konsentrasjonen måles i gram polymer pr. ;100 milliliter oppløsningsmiddel ved en gitt temperatur, og betegnelsen betraktes som et mål på molekylvekten. Den spesifikke viskositet fås ved å dele forskjellen mellom opp-løsningens viskositet og oppløsningsmidlets viskositet med oppløsningsmidlets viskositet. De reduserte viskositeter som her er beskrevet, er målt ved en konsentrasjon av 0,2 g poly- ;ethylenoxyd i 100 ml acetonitril ved 30°C, dersom intet annet er angitt. ;Granulært polyethylenoxyd fås ved suspensjonspolymerisa-sjon av en omrørt reaksjonsblanding som omfatter ethylenoxyd i kontakt med en polymerisasjonskatalysator for dette og i nærvær av et inert organisk fortynningsmiddel, f.eks. heptan, ;i hvilket ethylenoxyd er oppløselig og det erholdte polyethylenoxyd uoppløselig. Granulært polyethylenoxyd fremstilt på denne måte, foreligger i findelt fast partikkelformig tilstand og har en partikkelstørrelse som ligner på partikkel-størrelsen for findelt sand. I motsetning til det granulære polyethylenoxyd som fås ved suspensjonspolymerisasjonsprosessen, gir masse- og oppløsningspolymerisasjonsprosessene en polymer som er i det vesentlige en homogen masse som enten er avpasset efter reaksjonsbeholderens form eller ligner på lag eller plater efter at det organiske medium er blitt avdrevet, f.eks. ;ved mekanisk ekstrudering, f.eks. i en mølle av typen Marshall (under vakuum og ved svakt forhøyede temperaturer). Denne polymer kan senere reduseres til en mindre partikkel-størrelse, f.eks. ved å skjæres opp i terninger etc. ;Betegnelsen "granulær" gjelder partikkelstørrelsen ;for ethylenoxydpolymerene fremstilt ved suspensjonspolymerisa-sjon. Et granulært produkt er et produkt som er frittflytende og omfatter partikler med en gjennomsnittlig størrelse av under 5 mesh (US standard sikter). Når det er tilstede, ut-gjør polyethylenoxydet opp til 5 vekt% av tannpleiemidlet, fortrinnsvis 0,1-1,5 vekt%. ;Xanthangummi er et gjæringsprodukt fremstilt ved inn-virkning av bakterier av slekten Xanthomonas på kullhydrater. Fire typer av Xanthomonas, dvs. X. campetris, X. phaseoli, ;X. malvocearum og X. carotae, er i litteraturen rapportert å være de mest effektive gummiprodusenter. Selv om den nøyaktige kjemiske struktur ikke er blitt bestemt, er det alminnelig akseptert at den er et heteropolysaccharid med en molekylvekt på flere millioner. Den inneholder D-glucose, D-mannose og D-glucuronsyre i et molforhold av 2,8:3:2,0. Molekylet inneholder 4,7% acetyl og ca. 3% pyruvat. Den foreslåtte kjemiske konfigurasjon finnes i McNeely og Kang, Industrial Gums, red. R.L. Whistler, CH XXI, 2. utgave, New York, 1973. ;Metoden for å dyrke, isolere og rense xanthangummien er beskrevet i Manufacturing Chemist, mai 1960, sidene 206-208 ;(idet side 208 omfatter omtale av potensiell anvendelse av gummiene beskrevet i artikkelen for fremstilling av tann-pastaer) . ;Bruk av spesielle kvaliteter av xanthangummi, som beskrevet i US patentskrift 4263399, tas det også sikte på ;for tannpleiemidlene ifølge oppfinnelsen. En kvalitet som er beskrevet i US patentskrift 4263399, er en xanthangummi i hvilken opp til 1,6% av carboxylgruppene er bundet til kalsium og de øvrige carboxylgrupper er bundet til natrium, kalium, ;en blanding av natrium og kalium eller til andre kationer som ikke er kalsiumkationer. ;Xanthangelmidlet er tilstede i en mengde av 0,5-7, fortrinnsvis 1,5-3, vekt% av tannpleiemidlet. ;Da det overflateaktive middel som anvendes i tannpleiemidlet ifølge oppfinnelsen er ikke-ionogent, vil den svake bitterhet som et anionisk overflateaktivt middel vanligvis bidrar med, ikke erfares av brukerne. Søtningsmidler som ofte tilsettes til tannpleiemidler for i det minste delvis å over-vinne bitterheten, er derfor mindre nødvendige i tannpleiemidlet ifølge oppfinnelsen sammenlignet med kjente tannpleiemidler. ;En tilstrekkelig søthet kan i virkeligheten lett fås ved hjelp av en rekke fuktighetsbevarende midlers lave søtningskraft som er vanlig anvendt i tannpleiemidler. Slike fuktighetsbevarende midler foreligger i tannpleiemidlets væskefase, ;typisk sammen med vann. Typiske fuktighetsbevarende midler omfatter sorbitol (i form av en 70%-ig vandig oppløsning), glycerol, maltitol, xylitol, polyethylenglycol 400 eller polyethylenglycol 600. Væskefasen utgjør 20-80 vekt% av tannpleiemidlet, fortrinnsvis 30-60 vekt%, og vann (dersom dette er tilstede) utgjør typisk opp til 60 vekt% og det fuktighetsbevarende middel 20-60 vekt%. Det skal bemerkes at maltitol er beskrevet som en bestanddel i tannpleiemidler i de japanske patentpublikasjoner 73/10241 og 65/15120. ;Den flytende bærer og gelmidlet og andre bestanddeler ;i tannpleiemidlet anvendes i slike avpassede mengder i for-hold til hverandre at det dannes en krem eller gelmasse med ;ønsket konsistens som kan ekstruderes fra en aerosol- eller pumpeboks eller en sammenklembar tube (f-eks. aluminium, bly eller plast). ;Tannpleiemidlet inneholder typisk et tannpleiemessig aksepterbart poleringsmiddel som i alminnelighet er i det vesentlige uoppløselig i vann av den type som er vanlig anvendt i tannkremer. ;Representative poleringsmidler omfatter f.eks. di-kalsiumfosfat, trikalsiumfosfat, uoppløselig natriummetafosfat, aluminiumhydroxyd omfattende hydratisert aluminiumoxyd, kalsinert aluminiumoxyd, kolloidalt siliciumdioxyd, magnesiumcarbonat, kalsiumcarbonat, kalsiumpyrofosfat, bentonitt eller egnede blandinger derav. Dersom poleringsmidler anvendes, foretrekkes det å anvende de vannuoppløselige fosfatsalter som poleringsmiddel, og nærmere bestemt uopp-løselig natriummetafosfat og/eller et kalsiumfosfat, som kalsiumfosfatdihydrat, i tannkremer. Når visuelt klare geler eller ugjennomskinnelige geler anvendes, kan et poleringsmiddel av kolloidalt siliciumdioxyd, som de poleringsmidler som selges under varemerket Syloid®, som Syloid® 7 2 og Syloid® 74, eller under varemerket Santocel<®>, som Santocel® 100, eller syntetiske alkalimetallaluminiumsilikatkomplekser eller siliciumdioxydholdig kombinert aluminiumoxyd, være spesielt nyttige. Når poleringsmidler anvendes, er innholdet av dette i alminnelighet 15-75 vekt% i en tannkrem og 5-50 vekt% i en klar eller ugjennomskinnelig gel. ;Oppfinnelsen angår også et tannpleiemiddel som inneholder et siliciumholdig poleringsmateriale, som de som er nevnt i det ovenstående avsnitt, og polyethylenoxyd som beskrevet ovenfor. ;Ut fra de vurderinger som er fremsatt i teknikkens stand, som f.eks. i US patentskrift 3020230, hvor siliciumdioxydmaterialer er angitt å koagulere eller flokkulere i nærvær av polyethylenoxydharpiks for å utfelle dette fra en væskesuspensjon, ville en fagmann på tannpleiemiddelområdet ikke ha vært oppmuntret til å anvende siliciumdioxydmaterialer i et tannpleiemiddel som inneholder polyethylenoxydharpiks. ;I US patentskrift 2991229 er således poleringsmidler eller slipemidler beskrevet i en tannpasta som inneholder polyethylenoxyd, men disse yar "trikalsiumfosfat, dikalsium-fosfat og kalsiumcarbonat eller lignende" og ikke siliciumdioxydmaterialer. ;Det er en fordel ved denne utførelsesform av den foreliggende oppfinnelse at det fås et tannpleiemiddel med for-bedret flekkfjernelsesevne og som har en aksepterbar kosmetisk rheologi og dentinslipeegenskaper.. ;Det er en ytterligere fordel ved tannpleiemidlet ;ifølge oppfinnelsen at ønsket skumdannelse fås ved å anvende polyoxyethylen/polyoxypropylen-blokkopolymer og xanthan i tannpleiemidlet. ;Ifølge en spesielt foretrukken utførelsesform av oppfinnelsen angår denne et visuelt klart tannpleiemiddel som omfatter 20-80 vekt% maltitol som den flytende, fuktighetsbe-barende bærerkomponent,1,5-3 vekt% xanthangummi og 5-50 vekt% av et poleringsmiddel av komplekst alkalimetallaluminosilikat, og tannpleiemidlet er særpreget ved at det harpikslignende polyethylenoxyd er tilstede i en mende av 0,1-1,5 vekt%. ;Som nevnt ovenfor vil, under spesiell hensyntagen til en klar eller ugjennomskinnelig gel, den forholdsvise mengde av det siliciumholdige poleringsmiddel utgjøre 5-50 vekt% av tannpleiemidlet, fortrinnsvis 10-30 vekt%, som f.eks. 10-25 vekt%. Ett slikt poleringsmiddel er et komplekst alkalimetallaluminosilikat med en brytningsindeks av 1,44-1,47 og inneholdende minst 70 vekt% siliciumdioxyd, opp til 10 vekt% aluminiumoxyd, som 0,1-10 vekt%, f.eks. 0,1-3 vekt%, fortrinnsvis opp til 20 vekt% fuktighet, som 0,5-10 vekt%, og opp til 10 vekt% alkalimetalloxyd. Dette materiale har typisk en partikkelstørrelse innen området opp til 40^um, fortrinnsvis innen området l-4^um. Det foretrukne fuktighetsinnhold er 5-20 vekt%, målt ved gløding ved 1000°C, og det typiske innhold av alkalimetalloxyd er 5-10 vekt%. ;Poleringsmidlet har i alminnelighet en romdensitet i løs tilstand av opp til 0,2 g/cm 3 , som 0,07-0,12 g/cm 3. En annen egnet type av poleringsmiddel er porøst, amorft siliciumdioxydanhydrid med en gjennomsnittlig partikkelstørrelse fortrinnsvis under 2 0^/um og over l^um, et overflateareal av minst 200 m<2>/g, fortrinnsvis minst 300 m<2>/g, og en romdensitet av minst 0,15 g/cm o , fortrinnsvis minst 0,30 g/cm 3, som en dehydratisert siliciumdioxydhydrogel (dvs. en xerogel), fortrinnsvis av den velkjente type med jevn densitet eller mellom-liggende densitet. Eksempler på slike amorfe poleringsmidler av siliciumdioxydanhydrid er Syloid® 63, Syloid® 72 og (S) i Syloid 74 som er beskrevet i "The Davison Family of Syloid Silicas" utgitt av produsenten Grace, Davison Chemical ;(5) ;Company. Santocer^ 100 er også et egnet tannslipemiddel. Syloio*^ 7 2 har en gjennomsnittlig partikkelstørrelse av ca. (eg flakes) materials, and the most preferred are Pluronic<*>^ 108 (80% polyoxyethylene, molecular weight polyoxypropylene 3250) and F 87 (70% polyoxyethylene, molecular weight polyoxypropylene 2250). The non-ionic surfactant is used in the dental care agent in an amount of 1-10% by weight, preferably 2-5% by weight, and preferably approx. 3% by weight. ;The binder or gelling agent system of xanthan or xanthan and polyethylene oxide resin cooperates with the nonionic surfactant to provide stable, rich foam (even if the only surfactant present is nonionic) and desired mouthfeel properties for the dentifrice. Xanthan gum makes it possible, in the described concentrations, to form a stable, rich foam. According to a preferred embodiment of the present invention, the mouthfeel properties can also be changed as described by adding resinous polyethylene oxide. The toothpaste has the desired viscosity so that it can be squeezed out of a toothpaste tube in the form of a band. Resinous polyethylene oxide has been described as a dentifrice gel or binder in US Patent 2991229. Its presence gives the dentifrice a smoother texture. The polyethylene oxides used in the dental care agent according to the invention are solid, colourless, water-soluble resins. They seem to form homogeneous systems in water in all relative amounts, although the relatively higher molecular weight for ethylene oxide polymers only causes them to swell when small amounts of water are added. When larger amounts of water are added, the polymers go into solution. The aqueous solutions have a high viscosity, as this increases both with the concentration of the polymer in the solution and with reduced viscosity for the polymer. The ethylene oxide polymers used in the dental care agent according to the invention show little change in melting point with increased reduced viscosity (an indication of increased molecular weight), and the melting point, measured by stiffness change with temperature, was found to be 65-2°C over the entire range of reduced viscosities from 1.0 to 10 and above. When X-rayed, these polymers show a crystalline structure similar to that shown by polyethylene. The crystallization temperature, determined by measuring the break in the cooling curve, is approx. 55°C. To facilitate the understanding of the present invention, different designations will be defined. It should first be noted that the term "polyethylene oxide" as used here refers to ethylene oxide polymers which have a reduced viscosity in acetonitrile of at least 0.5 and up to 75 and higher. Unless otherwise specified, the term "reduced viscosity" here means a value obtained by dividing the specific viscosity by the concentration of the ethylene oxide polymer in the solution, the concentration being measured in grams of polymer per ;100 milliliters of solvent at a given temperature, and the designation is considered a measure of molecular weight. The specific viscosity is obtained by dividing the difference between the viscosity of the solution and the viscosity of the solvent by the viscosity of the solvent. The reduced viscosities described here are measured at a concentration of 0.2 g of polyethylene oxide in 100 ml of acetonitrile at 30°C, if nothing else is stated. Granular polyethylene oxide is obtained by suspension polymerization of a stirred reaction mixture comprising ethylene oxide in contact with a polymerization catalyst for this and in the presence of an inert organic diluent, e.g. heptane, in which ethylene oxide is soluble and the obtained polyethylene oxide insoluble. Granular polyethylene oxide produced in this way is in a finely divided solid particulate state and has a particle size similar to the particle size of finely divided sand. In contrast to the granular polyethylene oxide obtained by the suspension polymerization process, the mass and solution polymerization processes give a polymer that is essentially a homogeneous mass that is either adapted to the shape of the reaction vessel or resembles layers or plates after the organic medium has been driven off, e.g. e.g. ;by mechanical extrusion, e.g. in a Marshall type mill (under vacuum and at slightly elevated temperatures). This polymer can later be reduced to a smaller particle size, e.g. by cutting into cubes etc. The term "granular" applies to the particle size of the ethylene oxide polymers produced by suspension polymerisation. A granular product is a product that is free-flowing and comprises particles with an average size of less than 5 mesh (US standard sieves). When present, the polyethylene oxide constitutes up to 5% by weight of the dentifrice, preferably 0.1-1.5% by weight. Xanthan gum is a fermentation product produced by the action of bacteria of the genus Xanthomonas on carbohydrates. Four types of Xanthomonas, i.e. X. campetris, X. phaseoli, ;X. malvocearum and X. carotae, are reported in the literature to be the most efficient rubber producers. Although its exact chemical structure has not been determined, it is generally accepted that it is a heteropolysaccharide with a molecular weight of several million. It contains D-glucose, D-mannose and D-glucuronic acid in a molar ratio of 2.8:3:2.0. The molecule contains 4.7% acetyl and approx. 3% pyruvate. The suggested chemical configuration is found in McNeely and Kang, Industrial Gums, ed. R. L. Whistler, CH XXI, 2nd edition, New York, 1973. ;The method of growing, isolating and purifying the xanthan gum is described in Manufacturing Chemist, May 1960, pages 206-208 ;(where page 208 includes discussion of potential applications of the gums described in the article for the manufacture of toothpastes). The use of special qualities of xanthan gum, as described in US patent document 4263399, is also intended for the dentifrices according to the invention. A quality described in US patent 4263399 is a xanthan gum in which up to 1.6% of the carboxyl groups are bound to calcium and the other carboxyl groups are bound to sodium, potassium, a mixture of sodium and potassium or to other cations which are not calcium cations. The xanthan agent is present in an amount of 0.5-7, preferably 1.5-3, % by weight of the dentifrice. As the surface-active agent used in the dental care agent according to the invention is non-ionic, the slight bitterness that an anionic surface-active agent usually contributes will not be experienced by the users. Sweeteners, which are often added to dental care products to at least partially overcome the bitterness, are therefore less necessary in the dental care product according to the invention compared to known dental care products. Adequate sweetness can in fact be easily obtained by means of the low sweetening power of a number of humectants commonly used in dentifrices. Such humectants are present in the liquid phase of the dental care product, typically together with water. Typical humectants include sorbitol (in the form of a 70% aqueous solution), glycerol, maltitol, xylitol, polyethylene glycol 400 or polyethylene glycol 600. The liquid phase comprises 20-80% by weight of the dental care agent, preferably 30-60% by weight, and water ( if this is present) typically amounts to up to 60% by weight and the humectant 20-60% by weight. It should be noted that maltitol is described as an ingredient in dentifrices in Japanese Patent Publications 73/10241 and 65/15120. The liquid carrier and the gel agent and other components in the dental care product are used in such appropriate amounts in relation to each other that a cream or gel mass with the desired consistency is formed which can be extruded from an aerosol or pump can or a collapsible tube (f- e.g. aluminium, lead or plastic). The dental care product typically contains a dental care-acceptable polishing agent which is generally essentially insoluble in water of the type commonly used in toothpastes. ;Representative polishing agents include e.g. dicalcium phosphate, tricalcium phosphate, insoluble sodium metaphosphate, aluminum hydroxide including hydrated aluminum oxide, calcined aluminum oxide, colloidal silicon dioxide, magnesium carbonate, calcium carbonate, calcium pyrophosphate, bentonite or suitable mixtures thereof. If polishing agents are used, it is preferred to use the water-insoluble phosphate salts as polishing agents, and more specifically insoluble sodium metaphosphate and/or a calcium phosphate, such as calcium phosphate dihydrate, in toothpastes. When visually clear gels or opaque gels are used, a colloidal silicon dioxide polishing agent, such as the polishing agents sold under the trademark Syloid®, such as Syloid® 7 2 and Syloid® 74, or under the trademark Santocel<®>, such as Santocel® 100, or synthetic alkali metal aluminum silicate complexes or silicon dioxide-containing combined aluminum oxide, be particularly useful. When polishing agents are used, the content of this is generally 15-75% by weight in a toothpaste and 5-50% by weight in a clear or opaque gel. The invention also relates to a dentifrice containing a silicon-containing polishing material, such as those mentioned in the above section, and polyethylene oxide as described above. Based on the assessments made in the state of the art, such as e.g. in US Patent 3020230, where silicon dioxide materials are stated to coagulate or flocculate in the presence of polyethylene oxide resin to precipitate this from a liquid suspension, one skilled in the dentifrice field would not have been encouraged to use silicon dioxide materials in a dentifrice containing polyethylene oxide resin. In US patent 2991229, polishing agents or abrasives are thus described in a toothpaste containing polyethylene oxide, but these are "tricalcium phosphate, dicalcium phosphate and calcium carbonate or the like" and not silicon dioxide materials. ;It is an advantage of this embodiment of the present invention that a dentifrice with improved stain removal ability and which has an acceptable cosmetic rheology and dentin grinding properties is obtained. use polyoxyethylene/polyoxypropylene block copolymer and xanthan in the dentifrice. According to a particularly preferred embodiment of the invention, this relates to a visually clear dental care agent comprising 20-80% by weight of maltitol as the liquid, moisture-bearing carrier component, 1.5-3% by weight of xanthan gum and 5-50% by weight of a polishing agent of complex alkali metal aluminosilicate, and the dentifrice is distinctive in that the resin-like polyethylene oxide is present in an amount of 0.1-1.5% by weight. As mentioned above, with particular regard to a clear or opaque gel, the relative amount of the silicon-containing polishing agent will amount to 5-50% by weight of the dental care agent, preferably 10-30% by weight, which e.g. 10-25% by weight. One such polishing agent is a complex alkali metal aluminosilicate with a refractive index of 1.44-1.47 and containing at least 70% by weight silicon dioxide, up to 10% by weight aluminum oxide, such as 0.1-10% by weight, e.g. 0.1-3% by weight, preferably up to 20% by weight moisture, such as 0.5-10% by weight, and up to 10% by weight alkali metal oxide. This material typically has a particle size within the range up to 40 µm, preferably within the range 1-4 µm. The preferred moisture content is 5-20% by weight, measured by annealing at 1000°C, and the typical alkali metal oxide content is 5-10% by weight. ;The polishing agent generally has a bulk density in the loose state of up to 0.2 g/cm 3 , such as 0.07-0.12 g/cm 3 . Another suitable type of polishing agent is porous, amorphous silicon dioxydanhydride with an average particle size preferably below 2 0^/um and above l^um, a surface area of at least 200 m<2>/g, preferably at least 300 m<2>/g, and a bulk density of at least 0.15 g/cm o , preferably at least 0 .30 g/cm 3 , as a dehydrated silicon dioxide hydrogel (ie a xerogel), preferably of the well-known type with uniform density or intermediate density. Examples of such amorphous silicon dioxydanhydride polishing agents are Syloid® 63, Syloid® 72 and (S) in Syloid 74 which are described in "The Davison Family of Syloid Silicas" published by the manufacturer Grace, Davison Chemical ;(5) ;Company. Santocer^ 100 is also a suitable tooth abrasive. Syloio*^ 7 2 has an average particle size of approx.
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100 har et overflateareal av ca. 239 m 2/g og en romdensitet av ca. 0,24 g/cm 3. Disse amorfe siliciumdioxydanhydrider kan anvendes alene eller i blandinger. 100 has a surface area of approx. 239 m 2/g and a room density of approx. 0.24 g/cm 3. These amorphous silicon dioxide anhydrides can be used alone or in mixtures.
Maltitol er i det vesentlige en glycosylsorbitol, dvs. 4-D-a-D-glycopyranosyl-D-glucitol, med strukturformelen Maltitol is essentially a glycosylsorbitol, i.e. 4-D-α-D-glycopyranosyl-D-glucitol, with the structural formula
Den fremstilles ved hydrogenering av maltose. Den er et glasslignende fast materiale når den foreligger i det vesentlige i ren form. Den oppløses lett i mindre mengder vann, It is produced by hydrogenation of maltose. It is a glass-like solid material when it is present in essentially pure form. It dissolves easily in small amounts of water,
og dens oppløsning som inneholder minst 73% maltitol og opp til 27% vann, har brytningsindekser av ca. 1,48 (dvs. 1,4750-1,4849). Når den innarbeides i et tannpleiemiddel sammen med adskilt tilsatt vann med en brytningsindeks av ca. 1,333, and its solution containing at least 73% maltitol and up to 27% water has refractive indices of approx. 1.48 (ie 1.4750-1.4849). When incorporated into a dental care product together with separately added water with a refractive index of approx. 1,333,
kan den flytende bærer reguleres slik at det fås en brytningsindeks av 1,44-1,48. Typisk kan 5-25 vekt% vann gi en slik brytningsindeks, idet de lavere mengder vann gir en høyere brytningsinedeks (f.eks. ca. 1,47) og de høyere mengder vann (f.eks. 15-23%) gir en lavere brytningsindeks (f.eks. nær 1,44). Den flytende bærers brytningsindeks er fortrinnsvis 1,44-1,47 og oppnås med 5-10 vekt% vann ifølge oppskriften. Vannandelen i tannpleiemidlet gjelder vann som er adskilt fra eller ikke forbundet med vann som anvendes for å oppløse det fuktighetsbevarende middel. the liquid carrier can be regulated so that a refractive index of 1.44-1.48 is obtained. Typically 5-25% by weight of water can give such a refractive index, with the lower amounts of water giving a higher refractive index (e.g. approx. 1.47) and the higher amounts of water (e.g. 15-23%) giving a lower refractive index (e.g. close to 1.44). The refractive index of the liquid carrier is preferably 1.44-1.47 and is achieved with 5-10% by weight of water according to the recipe. The proportion of water in the dental care agent refers to water that is separated from or not combined with water used to dissolve the humectant.
Maltitol behøver ikke å være ren i den forstand at den skal være sukkeralkoholderivatet av ren maltose. Teknisk maltitol som består av maltitol med mindre mengder av sukker-alkoholene avledet fra maltotriose, maltotetrose eller be-slektede maltodextrinandeler av maissirup med lav molekylvekt og med minimale mengder D-sorbitol. Et teknisk "hydrogenert stivelseshydrolysat" fremstilt fra maissirup med høyt maltose-innhold vil således også kunne anvendes i tannpleiemidlene ifølge oppfinnelsen. Maltitol does not have to be pure in the sense that it must be the sugar alcohol derivative of pure maltose. Technical maltitol consisting of maltitol with smaller amounts of the sugar alcohols derived from maltotriose, maltotetrose or related maltodextrin parts of low molecular weight corn syrup and with minimal amounts of D-sorbitol. A technical "hydrogenated starch hydrolyzate" produced from corn syrup with a high maltose content will thus also be able to be used in the dental care products according to the invention.
Maltitol er blitt anbefalt for bruk i tannpleiemidler, men ikke som et fuktighetsbevarende hovedmiddel for visuelt klare tannpleiemidler som inneholder et poleringsmiddel. Maltitol has been recommended for use in dentifrices, but not as a main humectant for visually clear dentifrices containing a polishing agent.
Det kan i denne forbindelse vises til "Caries Research", Vol. 14, Issue 2, (1980), s. 67-74, Rundegren et al (maltitol iakttatt ikke å bidra til demineralisering), "Shigaku", In this connection, reference can be made to "Caries Research", Vol. 14, Issue 2, (1980), pp. 67-74, Rundegren et al (maltitol observed not to contribute to demineralization), "Shigaku",
Vol. 60, Issue 6 (1973), s. 760-765, Matsuo (maltitol iakttatt ikke å forgjæres av Streptococcus salivarius, S.), "Acta Odont. Scand", Vol. 37, Issue 2, (1979), s. 103-115, Birkhed et al og "Caries Research", Vol. 12, Issue 3 (1978), s. 128-136, Birkhed Vol. 60, Issue 6 (1973), pp. 760-765, Matsuo (maltitol observed not to be fermented by Streptococcus salivarius, S.), "Acta Odont. Scand", Vol. 37, Issue 2, (1979), p .103-115, Birkhed et al and "Caries Research", Vol. 12, Issue 3 (1978), pp. 128-136, Birkhed
(iakttagelser i forbindelse med plaque), "Acta Odont, Scand", Vol. 35, Issue 5 (1977), s. 257-263, Edwardsson et al (iakttagelser i forbindelse med munnhulebakterier) og japansk patent-publikasjon 7310241 (beskrivelse av maltitol som bestanddel i munnvann). Dessuten kan maltitol utgjøre en bestanddel av en variant av sorbitol som er kjent som "ikke-krystalliserende sorbitol" som kan anvendes som et fuktighetsbevarende middel i tannpleiemidler. Det vesentlige innhold av sorbitol i ikke-krystalliserende sorbitol er imidlertid slikt at en brytningsinedeks på ca. 1,4 8 ikke oppnås, hvorved muligheten for å variere oppskriften for bæreren av vann-fuktighetsbevarende middel reduseres sammenlignet med denne variasjons-mulighet ifølge oppfinnelsen. Det skal også bemerkes at fett-syreestere av maltitol og andre sukkeralkoholer er beskrevet som smaksbestanddeler i tannpleiemidler i britisk patentskrift 2038182. (observations in connection with plaque), "Acta Odont, Scand", Vol. 35, Issue 5 (1977), pp. 257-263, Edwardsson et al (observations in connection with oral cavity bacteria) and Japanese Patent Publication 7310241 (description of maltitol as an ingredient in mouthwash). In addition, maltitol can form a component of a variant of sorbitol known as "non-crystallizing sorbitol" which can be used as a humectant in dentifrices. However, the significant content of sorbitol in non-crystallizing sorbitol is such that a refractive index of approx. 1.4 8 is not achieved, whereby the possibility of varying the recipe for the carrier of water-moisture-preserving agent is reduced compared to this possibility of variation according to the invention. It should also be noted that fatty acid esters of maltitol and other sugar alcohols are described as flavoring ingredients in dentifrices in British patent specification 2038182.
Om ønsket kan den flytende bærer i de visuelt klare tannpleiemidler ifølge oppfinnelsen utgjøres av en mindre mengde (dvs. under 50%) av et fuktighetsbevarende middel foruten maltitol eller endog av en bestanddel i den flytende bærer If desired, the liquid carrier in the visually clear dental care agents according to the invention can be made up of a smaller amount (i.e. less than 50%) of a humectant other than maltitol or even of a component in the liquid carrier
som ikke er et fuktighetsbevarende middel, som maltodextrin. Fuktighetsbevarende midler som angitt ovenfor, f.eks. glycerol, sorbitol (typisk en 70%-ig oppløsning av sorbitol), polyethylenglycol 400 eller polyethylenglycol 600 etc, kan anvendes. Fortrinnsvis utgjør maltitol over 50 vekt% av den ikke-vandige del av den flytende bærer, fortrinnsvis 65-100 vekt%. Maltitol selges typisk i form av en 73-85%-ig oppløs-ning . which is not a humectant, such as maltodextrin. Humectants as indicated above, e.g. glycerol, sorbitol (typically a 70% solution of sorbitol), polyethylene glycol 400 or polyethylene glycol 600 etc. can be used. Preferably, maltitol constitutes more than 50% by weight of the non-aqueous part of the liquid carrier, preferably 65-100% by weight. Maltitol is typically sold in the form of a 73-85% solution.
Den faste del av bæreren er xanthangummi som geldan-nelsesmiddel som angitt ovenfor. The solid part of the carrier is xanthan gum as a gelling agent as indicated above.
Det komplekse alkalimetallaluminiumsilikatsalt er som beskrevet ovenfor. Det er typisk alkalisk, og er typisk et natriumsalt, og befordrer munnhygienen på en effektiv måte. The complex alkali metal aluminum silicate salt is as described above. It is typically alkaline, and is typically a sodium salt, and effectively promotes oral hygiene.
Det er et amorft pulver som dessuten har den egenskap at når det er innarbeidet i bæreren, blir dets partikler i det vesentlige usynlige. It is an amorphous powder which also has the property that when it is incorporated into the carrier, its particles become essentially invisible.
Mengden av aluminiumoxyd i aluminiumsilikatet er typisk 0,1-3 vekt%, fortrinnsvis ca. 1 vekt%. Aluminiumsilikatets brytningsindeks er fortrinnsvis innenfor ca. 0,005 enheter, typisk innenfor 0,001 enhet, av den flytende bærers. The amount of aluminum oxide in the aluminum silicate is typically 0.1-3% by weight, preferably approx. 1% by weight. The aluminum silicate's refractive index is preferably within approx. 0.005 units, typically within 0.001 units, of the liquid carrier.
Som nevnt utgjør poleringsmidlet 5-50 vekt% av tannpleiemidlet, fortrinnsvis 10-30 vekt%. As mentioned, the polishing agent makes up 5-50% by weight of the dental care agent, preferably 10-30% by weight.
Det komplekse alkalimetallaluminiumsilikatsalt synes The complex alkali metal aluminum silicate salt appears
å inneholde gjensidig bundet siliciumdioxyd og aluminiumoxyd med Al 0 Si bindinger, som beskrevet av Temele "Chemistry of the Surface and the Activity of Alumina-Silica Cracking Catalyst", Discussions of the Faraday Society, nr.8, s. 270-279 (1950), og spesielt på side 273, Fig. 1, kurve 3, hvor den innbyrdes reaksjon mellom siliciumdioxyd- og aluminium-ioner er påvist potensiometrisk. Ytterligere litteratur som beskriver denne type av kompleks, omfatter Milliken et al, "The Chemical Characteristics and Structures of Cracking Catalysts", Discussion of the Faraday Society, nr. 8, s. 279-290 (1950), og spesielt setningen som forbinder sidene 284 og 285. Disse komplekser er klart forskjellige fra den silicium-dioxydgel som er beskrevet av Plank et al. "Differences Between Silica and Silica-Alumina Gels I. Factors Affecting the Porous Structure of These Gels," Journal of Colloid Science, 2, s. 399-412 (1947), og av Plank, "Differences Between Silica and Silica-Alumina Gels II. A proposed Mechanism for the Gelation and Syneresis of These Gels," Journal of Colloid Science 2, s. 413-427, (1947), hvor dan-nelsen av Al 0 Si bindingen er beskrevet på sidene 419-422. Aluminiumsilikatet kan beskrives som siliciumdioxyd som inneholder kombinert aluminiumoxyd. to contain mutually bonded silicon dioxide and aluminum oxide with Al 0 Si bonds, as described by Temele "Chemistry of the Surface and the Activity of Alumina-Silica Cracking Catalyst", Discussions of the Faraday Society, no.8, pp. 270-279 (1950 ), and especially on page 273, Fig. 1, curve 3, where the mutual reaction between silicon dioxide and aluminum ions is demonstrated potentiometrically. Additional literature describing this type of complex includes Milliken et al, "The Chemical Characteristics and Structures of Cracking Catalysts", Discussion of the Faraday Society, No. 8, pp. 279-290 (1950), and particularly the sentence connecting the pages 284 and 285. These complexes are clearly different from the silicon dioxide gel described by Plank et al. "Differences Between Silica and Silica-Alumina Gels I. Factors Affecting the Porous Structure of These Gels," Journal of Colloid Science, 2, pp. 399-412 (1947), and by Plank, "Differences Between Silica and Silica-Alumina Gels II. A proposed Mechanism for the Gelation and Syneresis of These Gels," Journal of Colloid Science 2, pp. 413-427, (1947), where the formation of the Al 0 Si bond is described on pages 419-422. The aluminum silicate can be described as silicon dioxide containing combined aluminum oxide.
Som nevnt ovenfor er maltitol blitt beskrevet for anvendelse i tannpleiemidler i de japanske patentpublikasjoner 15120/65,(patent nr. 461281) og 73/102401. I den førstnevnte av disse er siliciumdioxydholdig poleringsmiddel ikke beskrevet og i den sistnevnte er siliciumdioxydanhydrid nevnt som et poleringsmiddel. Det har imidlertid vist seg at når silicium-dioxydanhydarid, som kolloidal siliciumdioxydxerogel som selges under varemerket Syloi anvendes i et visuelt klart tannpleiemiddel som inneholder maltitol får tannpleiemidlet hurtig et matt useende og tørker ut når det utsettes for luft, slik at det blir et hårdt, ugjennomskinnelig produkt. Når det komplekse aluminiumsilikat som her er beskrevet anvendes i tannpleiemidlet ifølge oppfinnelsen, vil dette i det vesentlige beholde sitt ønskede klare utseende og sin ønskede rheologi. As mentioned above, maltitol has been described for use in dentifrices in Japanese Patent Publications 15120/65, (Patent No. 461281) and 73/102401. In the former of these, silicon dioxide-containing polishing agent is not described and in the latter, silicon dioxide anhydride is mentioned as a polishing agent. However, it has been found that when silicon dioxide hydride, such as colloidal silicon dioxide dxerogel sold under the trademark Syloi, is used in a visually clear dentifrice containing maltitol, the dentifrice rapidly acquires a matte appearance and dries out when exposed to air to a hard, opaque product. When the complex aluminum silicate described here is used in the dentifrice according to the invention, this will essentially retain its desired clear appearance and its desired rheology.
En alkalimetallfluorgivende forbindelse kan anvendes An alkali metal fluorinating compound can be used
i de her beskrevne tannpleiemidler. Den alkalimetallfluorgivende forbindelse omfatter natriumfluorid, toverdig tinnfluorid, toverdig tinnklorfluorid, kalium-tinn (II)-fluorid (SnF2~KF), lithiumfluorid, ammoniumfluorid og komplekse fluorider, som kaliumfluorzirkonat, natriumhexafluorstannat eller alkalimetallmonofluorfosfater. Disse forbindelser ut-øver en gunstig virkning på pleien av og hygienen i munnhulen, f.eks. reduksjon av emaljeoppløseligheten i syre og be-skyttelse av tennene mot nedbrytning, og oppviser tilfredsstillende tilbakeholdelse av oppløselig fluorid i tannpleiemidler ifølge oppfinnelsen. Spesielt er mengden av tilbake-holdt monofluorfosfationer som fluorid i forbindelse med alkalimetallmonofluorfosfater ganske høy. Den fluorholdige forbindelse anvendes i en slik mengde at det fås en effektiv ugiftig mengde fluorholdige ioner i tannpleiemidlet, typisk 0,01-1 vekt%, fortrinnsvis ca. 0,1 vekt%, fluor. Natriumfluorid blir således typisk anvendt i en mengde av 0,02-2 vekt%, fortrinnsvis ca. 0,2 vekt%, og natriummonof luorf osf at, Na^O-^F, i en mengde av 0,1-7,6 vekt%, fortrinnsvis ca. 0,76 vekt%. in the dental care products described here. The alkali metal fluorine-giving compound includes sodium fluoride, divalent tin fluoride, divalent tin chlorofluoride, potassium tin (II) fluoride (SnF2~KF), lithium fluoride, ammonium fluoride and complex fluorides, such as potassium fluorozirconate, sodium hexafluorostannate or alkali metal monofluorophosphates. These compounds have a beneficial effect on the care and hygiene of the oral cavity, e.g. reduction of enamel solubility in acid and protection of the teeth against decay, and exhibits satisfactory retention of soluble fluoride in dental care products according to the invention. In particular, the amount of retained monofluorophosphate ions such as fluoride in connection with alkali metal monofluorophosphates is quite high. The fluorine-containing compound is used in such an amount that an effective non-toxic amount of fluorine-containing ions is obtained in the dental care agent, typically 0.01-1% by weight, preferably approx. 0.1% by weight, fluorine. Sodium fluoride is thus typically used in an amount of 0.02-2% by weight, preferably approx. 0.2% by weight, and sodium monofluoride, Na^O-^F, in an amount of 0.1-7.6% by weight, preferably approx. 0.76% by weight.
Alkalimetallmonofluorfosfåtene som kan anvendes, omfatter natriummonofluorfosfat, lithiummonofluorfosfat, kalium-monofluorfosfat og ammoniummonofluorfosfat. Det foretrukne salt er natriummonofluorfosfat, Na2P0^F, som markedsføres med en renhet som kan variere betraktelig. Det kan anvendes med en hvilken som helst egnet renhetsgrad, forutsatt at eventuelle forurensninger ikke i vesentlig grad uheldig vil innvirke på The alkali metal monofluorophosphates which may be used include sodium monofluorophosphate, lithium monofluorophosphate, potassium monofluorophosphate and ammonium monofluorophosphate. The preferred salt is sodium monofluorophosphate, Na2P0^F, which is marketed in a purity that can vary considerably. It can be used with any suitable degree of purity, provided that any contamination will not adversely affect the
de ønskede egenskaper. Renheten er i alminnelighet fortrinnsvis minst 80%. For de beste resultater bør den være minst 85%, fortrinnsvis minst 90%, natriummonofluorfosfat basert på vekt idet resten hovedsakelig utgjøres av forurensninger eller biprodukter fra fremstillingen, som natriumfluorid, eller vannoppløselig natriumfosfatsalt etc. Uttrykt på annen måte the desired properties. Purity is generally preferably at least 80%. For best results, it should be at least 85%, preferably at least 90%, sodium monofluorophosphate by weight with the remainder being mainly impurities or manufacturing by-products, such as sodium fluoride, or water-soluble sodium phosphate salt, etc. Expressed another way
bør det anvendte natriummonofluorfosfat ha et samlet fluorid-innhold av ca- 12%, fortrinnsvis ca. 12,7%, et innhold på the sodium monofluorophosphate used should have a total fluoride content of approx. 12%, preferably approx. 12.7%, a content of
ikke mer enn 1,5%, fortrinnsvis ikke mer enn 1,2%, fritt natriumfluorid og et natriummonofluorfosfatinnhold av minst 12%, fortrinnsvis minst 12,1%, alle beregnet som fluor. not more than 1.5%, preferably not more than 1.2%, of free sodium fluoride and a sodium monofluorophosphate content of at least 12%, preferably at least 12.1%, all calculated as fluorine.
Andre monofluorfosfatsalter som kan anvendes i tannpleiemidlene ifølge oppfinnelsen, omfatter monofluorpoly-fosfater, som Na4P309F, K^OgF, (NH4)4P30gF, Na^KP^OgF, (NH4) 3NaP309F og Li^OgF. Other monofluorophosphate salts that can be used in the dentifrices according to the invention include monofluoropolyphosphates, such as Na4P309F, K^OgF, (NH4)4P30gF, Na^KP^OgF, (NH4)3NaP309F and Li^OgF.
Hvilke som helst egnede smaksgivende materialer eller søtningsmaterialer kan anvendes for å tilveiebringe smak i tannpleiemidlene ifølge oppfinnelsen. Eksempler på egnede smaksgivende bestanddeler omfatter de smaksgivende oljer, f.eks. Oljer av grønn mynte,peppermynte, vintergrønt, sassafran, kryddernellik, salvie, eucalyptus, merian, kanel, sitron eller appelsin, og dessuten methylsalicylat. Egnede søtningsmidler omatter sucrose, lactose, maltose, sorbitol, natriumsyklamat, perillartin eller saccharin. Det smaksgivende middel og søt-ningsmidlet kan med fordel sammen utgjøre 0,01-5% eller derover a,v tannpleiemidlene ifølge oppfinnelsen. Kloroform kan også anvendes. Søtningsmidler er mindre nødvendige dersom intet anionisk overflateaktivt middel er tilstede da anioniske overflateaktive midler bidrar til at tannpleiemidlet blir svakt bittert. Any suitable flavoring materials or sweetening materials can be used to provide flavor in the dentifrices according to the invention. Examples of suitable flavoring ingredients include the flavoring oils, e.g. Oils of spearmint, peppermint, wintergreen, sassafras, cloves, sage, eucalyptus, marjoram, cinnamon, lemon or orange, and also methyl salicylate. Suitable sweeteners include sucrose, lactose, maltose, sorbitol, sodium cyclamate, perillartin or saccharin. The flavoring agent and the sweetener can advantageously together constitute 0.01-5% or more of the dentifrices according to the invention. Chloroform can also be used. Sweeteners are less necessary if no anionic surfactant is present, as anionic surfactants contribute to the dentifrice being slightly bitter.
Antibakterielle midler kan anvendes i de foreliggende tannpleiemidler i en mengde av 0,01-5 vekt%. Typiske anti-bakterielle midler omfatter N 1 -(4-klorbenzyl)-N 5-N(2,4-diklorbenzyl)biguanid, P-klorfenylbiguanid, Antibacterial agents can be used in the present dental care products in an amount of 0.01-5% by weight. Typical anti-bacterial agents include N 1 -(4-chlorobenzyl)-N 5 -N(2,4-dichlorobenzyl)biguanide, P-chlorophenylbiguanide,
4-klorbenzhydrylbiguanid, 4-chlorobenzhydrylbiguanide,
4- klorbenzhydrylguanylurea, 4-chlorobenzhydrylguanylurea,
N-3-lauroxypropyl-N 5-p-klorbenzylbiguanid, N-3-lauroxypropyl-N 5-p-chlorobenzylbiguanide,
1,6-di-p-klorfenylbiguanidhexan, 1,6-di-p-chlorophenylbiguanidehexane,
1,6-bis(2-ethylhexylbiguanid)hexan, 1,6-bis(2-ethylhexylbiguanide)hexane,
1-(lauryldimethylammonium)-8-(p-klorbenzyldimethylammonium)-octandiklorid, 1-(lauryldimethylammonium)-8-(p-chlorobenzyldimethylammonium)-octane dichloride,
5,6-diklor-2-guanidinbenzimidazol, 5,6-dichloro-2-guanidinebenzimidazole,
N -p-klorfenyl-N -laurylbiguanid, N-p-chlorophenyl-N-laurylbiguanide,
5- amino-l,3-bis(2-ethylhexyl)-5-methylhexahydropyrimidin 5-amino-1,3-bis(2-ethylhexyl)-5-methylhexahydropyrimidine
eller deres ugiftige syreaddisjonssalter. or their non-toxic acid addition salts.
Forskjellige andre materialer kan innarbeides i tannpleiemidlene ifølge oppfinnelsen. Eksempler på disse er farvegivende midler eller hvitemidler eller farvestoffer, konserveringsmidler, siliconer, klorofyllforbindelser, ammoniakkalske materialer som urea, diammoniumfosfat eller blandinger derav, eller andre bestanddeler. Disse hjelpetil-setningsmidler innarbeides i de foreliggende tannpleiemidler i mengder som ikke i vesentlig grad uheldig vil påvirke de ønskede egenskaper og karakteristika, og de velges og anvendes i de egnede mengder i avhengighet av den spesielle angjeldende type av tannpleiemiddel. Various other materials can be incorporated into the dentifrices according to the invention. Examples of these are coloring agents or whitening agents or dyes, preservatives, silicones, chlorophyll compounds, ammoniacal materials such as urea, diammonium phosphate or mixtures thereof, or other ingredients. These auxiliary additives are incorporated into the present dental care products in amounts that will not adversely affect the desired properties and characteristics to a significant extent, and they are selected and used in the appropriate amounts depending on the particular type of dental care product in question.
Syntetisk, findelt, pyrogent fremstilt siliciumdioxyd, som de siliciumdioxydkvaliteter som selges under varemerkene Cab-O-Sil<®> M-5, Syloid® 244 , Syloid<®> 266 eller Aerosil<®> D-200, kan også anvendes i en mengde av 1-5 vekt% for å befordre for-tykning eller gelering av tannpleiemidlene ifølge oppfinnelsen. Synthetic, finely divided, fumed silica, such as the silica grades sold under the trade names Cab-O-Sil<®> M-5, Syloid® 244, Syloid<®> 266, or Aerosil<®> D-200, may also be used in a amount of 1-5% by weight to promote thickening or gelation of the dentifrices according to the invention.
Tannpleiemidlene skal ha en pH som er aksepterbar ved praktisk anvendelse. En moderat sur til alkalisk pH er foretrukken. The dental care products must have a pH that is acceptable for practical use. A moderately acidic to alkaline pH is preferred.
De nedenstående spesielle eksempler tjener til ytterligere å beskrive de foreliggende tannpleiemidler. I disse er alle mengder basert på vekt dersom intet annet er angitt. The special examples below serve to further describe the present dental care agents. In these, all quantities are based on weight unless otherwise stated.
Eksempler 1 og 2 Examples 1 and 2
De følgende tannpleiemidler i form av ugjennomskinnelige geler fremstilles: Eksempler 1 og 2 (forts.) The following dental care products in the form of opaque gels are produced: Examples 1 and 2 (continued)
Tannpleiemidlet ifølge eksempel 1 med natriumlaurylsulfat har ønskede skumegenskaper. Tannpleiemidlet ifølge eksempel 2 har også et meget godt, stabilt, fyldig skum selv om intet anionisk overflateaktivt middel anvendes. Skummet holder seg i hele munnhulen og gir en ønsket følelse i munnen når tannpleiemidlet børstet mot tennene. Det gir dessuten ingen bitter undersmak selv om et svakt mentholsmaksmiddel er tilstede og intet søtningsmiddel er tilsatt. Tannpleiemidlene har en fin, glatt tekstur og utseende, fjerner flekker effek-tivt og har aksepterbar slipeevne for dentin. De inneholder flokkulerte partikler av natriumaluminiumsilikat. The toothpaste according to example 1 with sodium lauryl sulfate has desired foaming properties. The dentifrice according to example 2 also has a very good, stable, rich foam even if no anionic surfactant is used. The foam stays in the entire oral cavity and gives a desired sensation in the mouth when the toothpaste is brushed against the teeth. It also gives no bitter aftertaste even though a weak menthol flavor is present and no sweetener is added. The dentifrices have a fine, smooth texture and appearance, remove stains effectively and have acceptable abrasiveness for dentin. They contain flocculated particles of sodium aluminum silicate.
Lignende ønskelige resultater fås nås xanthan ifølge eksempel 2 erstattes med xanthanet med lavt kalsiuminnhold ifølge eksempel 1 i US patentskrift 4263399. Similar desirable results are obtained if the xanthan according to example 2 is replaced with the xanthan with a low calcium content according to example 1 in US patent document 4263399.
Lignende skumdannelse og følelse fås når andre blokk-kopolymerer av polyoxyethylen og polyoxypropylen anvendes som erstatning for Pluronic"' F-108, spesielt PluronicwF 87. Similar foaming and feel is obtained when other block copolymers of polyoxyethylene and polyoxypropylene are used as substitutes for Pluronic"' F-108, particularly PluronicwF 87.
PolyoxntfSR-301 er tilgjengelig i handelen som granuler av vannoppløselig polyethylenoxydharpiks med en molekylvekt av ca. 4 000000 og en Brookfield-viskositet av 1650-3850 eps (25°C, spindel 1, hastighet 2 opm) i vann i en konsentrasjon av 1 vekt%. Likeledes fås lignende skumdannelse og følelse når andre vannoppløselige polyethylenoxydharpikser er tilgjengelige under varemerkene Polyox^VSR-N-lO, WSR-N-80, WSR-N-750, WSR-N-3000, WSR-205 eller WSR-1105 erstatter Polyox^JSR-3 01 i forskjellige konsentrasjoner. PolyoxntfSR-301 is commercially available as granules of water-soluble polyethylene oxide resin with a molecular weight of approx. 4,000,000 and a Brookfield viscosity of 1650-3850 eps (25°C, spindle 1, speed 2 rpm) in water at a concentration of 1% by weight. Likewise, similar foaming and feel is obtained when other water-soluble polyethylene oxide resins available under the trademarks Polyox^VSR-N-lO, WSR-N-80, WSR-N-750, WSR-N-3000, WSR-205, or WSR-1105 replace Polyox^ JSR-3 01 in different concentrations.
Siliciumdioxydet med kombinert aluminiumoxyd som er angitt i eksemplene, er tilgjengelige i handelen under vare- The silicon dioxide with combined aluminum oxide indicated in the examples are commercially available under the
merket Zeo 49 (A eller B). marked Zeo 49 (A or B).
De følgende klare gel (3 og 4)- og ugjennomskinnelige gel 5 og 6)-tannpleiemidler fremstilles: The following clear gel (3 and 4) and opaque gel 5 and 6) dentifrices are produced:
Tannpleiemidlene ifølge eksemplene 3 og 4 er klare og tannpleiemidlene ifølge eksemplene 5 og 6 ugjennomskinnelige. The dentifrices according to examples 3 and 4 are clear and the dentifrices according to examples 5 and 6 opaque.
De har en glatt tekstur. Alle fire tannpleiemidler gir et meget godt, stabilt, fyldig skum, idet skummet som fås med tannpleiemidlet ifølge eksempel 5, er mer fyldig enn det skum som fås med tannpleiemidlene ifølge eksemplene 3 og 4. En større skummengde fås med tannpleiemidlet ifølge eksempel 6. Alle skum gir en ønsket følelse i munnen i hele munnhulen når tennene børstes. Det forekommer ingen bitter bismak. Tannpleiemidlene fjerner flekker på effektiv måte og gir en aksepterbar avsliping av dentin. De inneholder flokkulerte partikler av natriumaluminiumsilikat. They have a smooth texture. All four dentifrices give a very good, stable, rich foam, the foam obtained with the dentifrice according to example 5 being more voluminous than the foam obtained with the dentifrices according to examples 3 and 4. A greater amount of foam is obtained with the dentifrice according to example 6. All foam provides the desired sensation in the mouth throughout the oral cavity when brushing the teeth. No bitter aftertaste occurs. The dental care products remove stains effectively and provide an acceptable grinding of dentin. They contain flocculated particles of sodium aluminum silicate.
E ksempler 7- 11 Examples 7-11
De følgende tannpleiemidler fremstilles; The following dental care products are manufactured;
Tannpleiemidlene ifølge eksemplene 7-11 gir høy rense-virkning og godt, stabilt, fyldig skum. De har en glatt tekstur, idet tannpleiemidlene ifølge eksemplene 7, 10 og 11 som inneholder Polyox WSR-301, har den beste tekstur. Samtlige utvikler skum slik at det fås en ønsket følelse i munnen i hele munnhulen når tennene børstes. Det forekommer ingen bitter bismak. De fjerner flekker på effektiv måte og gir en aksepterbar avslipning av dentin. De inneholder flokkulerte partikler av natriumaluminiumsilikat. The dentifrices according to examples 7-11 provide a high cleaning effect and good, stable, rich foam. They have a smooth texture, with the dentifrices of Examples 7, 10 and 11 containing Polyox WSR-301 having the best texture. All of them develop foam so that the desired feeling is obtained in the mouth throughout the oral cavity when the teeth are brushed. No bitter aftertaste occurs. They remove stains effectively and provide acceptable dentin grinding. They contain flocculated particles of sodium aluminum silicate.
Eksempler 12- 15 Examples 12-15
De følgende tannpleiemidler fremstilles: The following dental care products are manufactured:
Tannpeleiemidlene ifølge eksemplene 12-15 gir et godt, stabilt, fyldig skum. Tannpleiemidlene ifølge eksemplene 13- The dentifrices according to examples 12-15 give a good, stable, rich foam. The dentifrices according to examples 13-
15, som inneholder Polyox-materialet, har en spesielt fin, 15, which contains the Polyox material, has a particularly fine,
glatt tekstur. Skummet som fås ved anvendelse av samtlige tannpleiemidler, gir en ønsket følelse i munnen i hele munnhulen ved børsting av tennene. Selv om intet søtningsmiddel er brukt,har tannpleiemidlene en ganske søt smak. smooth texture. The foam that is obtained when using all dental care products gives a desired feeling in the mouth throughout the oral cavity when brushing the teeth. Although no sweetener is used, the toothpastes have a rather sweet taste.
Eksempler 16- 17 Examples 16-17
De følgende ugjennomskinnelige geltannpleiemidler fremstilles : The following opaque gel dentifrices are produced:
Begge tannpleiemidler gir et stabilt, fyldig skum som bidrar til en god følelse i munnen. Den følelse i munnen som tannpleiemidlet 16 gir, er spesielt tilfredsstillende. Both dentifrices provide a stable, rich foam that contributes to a good feeling in the mouth. The feeling in the mouth that the toothpaste 16 gives is particularly satisfying.
Ved en sammenligning for å fastslå evnen til å fjerne tannflekker og for å slipe dentin viste det seg at tannpleiemidlet ifølge eksempel 16 som inneholder Polyox-materialet, fjerner flekker med mindre avsliping av dentin enn tannpleiemidlet ifølge eksempel 17 som ikke inneholder Polyox-materiale. I tannpleiemidlet ifølge eksempel 17 dannes flokkulerte partikler av natriumaluminiumsilikat in situ. In a comparison to determine the ability to remove dental stains and to grind dentin, it was found that the dentifrice according to example 16, which contains the Polyox material, removes stains with less abrading of dentin than the dentifrice according to example 17, which does not contain Polyox material. In the dentifrice according to example 17, flocculated particles of sodium aluminum silicate are formed in situ.
Resultatene er som følger: The results are as follows:
Ved en flekkfjernelsesundersøkelse etses seksjoner av tannemalje fra mennesker med 0,IN HCl i 2 minutter, skylles med vann, fuktes derefter med en fortynnet oppløsning av toverdig tinnfluorid, strykes tørt og utsettes til slutt for en strøm av hydrogensulfidgass som fører til en brun avsetning av toverdig tinnsulfid. Flekkmengden på overflaten måles med et automatisk farveforskjellsmåleapparat av typen Gardner. Overflaten blir derefter børstet med en mekanisk børstemaskin med 500 resiproke strøk under anvendelse av et tannpleiemiddel, og gjenværende flekker måles med måleapparatet. Til slutt blir de flekker som er tilbake, fullstendig fjernet med tannpimpe-sten, og denne overflates refleksjon avleses. Et tannpleie-middels evne til å fjerne flekker uttrykkes ved den følgende ligning: In a stain removal study, sections of human tooth enamel are etched with 0.IN HCl for 2 minutes, rinsed with water, then moistened with a dilute solution of divalent stannous fluoride, blotted dry, and finally exposed to a stream of hydrogen sulfide gas which results in a brown deposit of divalent tin sulphide. The amount of stain on the surface is measured with an automatic color difference measuring device of the Gardner type. The surface is then brushed with a mechanical brushing machine with 500 reciprocal strokes using a dentifrice, and remaining stains are measured with the measuring device. Finally, the stains that remain are completely removed with a toothpick stone, and the reflection of this surface is read. The ability of a dental care agent to remove stains is expressed by the following equation:
hvori Rd . , . , Rdcriri , og Rd .. er refleksjons-opprinnelig 500 strøk ^ pimpesten J verdiene som ble målt for hhv. de opprinnelige flekkede over-flater, efter børsting med 500 resiproke strøk og efter fjernelse av restflekker ved behandling med pimpesten. in which Rd . , . , Rdcriri , and Rd .. are reflection-original 500 coats ^ the pimp paste J the values that were measured for respectively. the original stained surfaces, after brushing with 500 reciprocal strokes and after removal of residual stains by treatment with pumice stone.
RDA-verdiene fås ved en metode som er basert på en radioaktiv teknikk beskrevet av Stookey, C.K. og Muhler, The RDA values are obtained by a method based on a radioactive technique described by Stookey, C.K. and Muhler,
J.C., J, Dental Research 47, s. 524-538 (1968). J.C., J, Dental Research 47, pp. 524-538 (1968).
Eksempel 18 Example 18
Det følgende tannpleiemiddel fremstilles og sammenlignes med tannpleiemidlet ifølge eksempel 10. The following dentifrice is prepared and compared with the dentifrice according to example 10.
Tannpleiemidlene ifølge eksemplene 10 og 18 gir begge stabilt, fyldig skum som gir en god følelse i munnen, idet tannpleiemidlet ifølge eksempel 10 gir en følelse i munnen som er spesielt tilfredsstillende. The dentifrices according to examples 10 and 18 both give stable, rich foam which gives a good feeling in the mouth, the dentifrice according to example 10 giving a feeling in the mouth which is particularly satisfactory.
De nedenstående resultater for fjernelse av flekker og radioaktiv dentinavslipning ble erholdt med tannpleiemidlene ifølge eksemplene 10 og 18 og gir bevis for at tannpleiemidlet ifølge eksempel 10 som inneholder Polyox-materialet, er over-legent hva gjelder høyere flekkfjernelse med lignende dentinavslipning. The below results for the removal of stains and radioactive dentin abrasion were obtained with the dentifrices according to examples 10 and 18 and provide evidence that the dentifrice according to example 10 containing the Polyox material is superior in terms of higher stain removal with similar dentin abrasion.
Patentsøknad nr. 871117 er blitt avdelt fra den foreliggende patentsøknad. Patent application no. 871117 has been separated from the present patent application.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO871117A NO168925C (en) | 1981-06-26 | 1987-03-18 | dentifrice |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27777481A | 1981-06-26 | 1981-06-26 | |
| US06/299,684 US4383987A (en) | 1981-06-26 | 1981-09-08 | Foaming dentifrice containing nonionic surface active agent |
| US37065982A | 1982-04-22 | 1982-04-22 | |
| US06/370,660 US4407788A (en) | 1981-09-08 | 1982-04-22 | Dentifrice |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO822157L NO822157L (en) | 1982-12-27 |
| NO161294B true NO161294B (en) | 1989-04-24 |
| NO161294C NO161294C (en) | 1989-08-02 |
Family
ID=27501212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO822157A NO161294C (en) | 1981-06-26 | 1982-06-25 | Dentifrice. |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPH0637381B2 (en) |
| KR (1) | KR840000225A (en) |
| AU (1) | AU550100B2 (en) |
| BR (1) | BR8203559A (en) |
| CH (2) | CH649704A5 (en) |
| DE (1) | DE3222794A1 (en) |
| DK (1) | DK286782A (en) |
| FR (3) | FR2508312B1 (en) |
| GB (3) | GB2100983B (en) |
| GR (1) | GR79663B (en) |
| MX (1) | MX171006B (en) |
| NL (1) | NL8202589A (en) |
| NO (1) | NO161294C (en) |
| NZ (1) | NZ200995A (en) |
| PT (1) | PT75114B (en) |
| SE (2) | SE453459B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4435380A (en) | 1982-01-29 | 1984-03-06 | Lever Brothers Company | Humectants for clear gel dentifrice compositions |
| US4401648A (en) * | 1982-03-29 | 1983-08-30 | Colgate-Palmolive Company | Dental cream composition |
| LU84833A1 (en) * | 1983-05-31 | 1985-03-21 | Oreal | CLEANING PRODUCT FOR TEETH AND MOUTH CARE CONTAINING POLY NON-IONIC SURFACTANT (HYDROXYPROPYL ETHER) |
| US5100650A (en) * | 1987-06-30 | 1992-03-31 | Warner-Lambert Company | Anti-bacterial oral composition containing bis-biguanido hexanes |
| US5096698A (en) * | 1987-10-08 | 1992-03-17 | Colgate-Palmolive Company | Packaged dental cream |
| NZ226378A (en) * | 1987-10-08 | 1989-12-21 | Colgate Palmolive Co | Packaged dental cream containing polyoxyethylene/polyoxypropylene block copolymer |
| JPH0825861B2 (en) * | 1989-04-24 | 1996-03-13 | サンスター株式会社 | Toothpaste composition |
| US5256396A (en) * | 1990-01-24 | 1993-10-26 | Colgate-Palmolive Company | Topical composition |
| DE4222739A1 (en) * | 1992-07-10 | 1994-01-13 | Henkel Kgaa | Liquid dentifrices |
| US5496541C1 (en) * | 1993-01-19 | 2001-06-26 | Squigle Inc | Tasteful toothpaste and other dental products |
| JP3108262B2 (en) * | 1993-12-22 | 2000-11-13 | 明治製菓株式会社 | Oral semi-paste formulation containing no abrasive |
| US6861048B2 (en) | 1999-04-08 | 2005-03-01 | Warner-Lambert Company | Dentifrice compositions having reduced abrasivity |
| JP2001072576A (en) * | 1999-09-03 | 2001-03-21 | Kissei Pharmaceut Co Ltd | Oral medicinal composition |
| WO2004096282A1 (en) * | 2003-05-02 | 2004-11-11 | Junya Fujimori | Hydrophilic blend gel |
| JP5444854B2 (en) * | 2009-06-01 | 2014-03-19 | ライオン株式会社 | Dentifrice composition |
| US9125841B2 (en) * | 2013-02-26 | 2015-09-08 | Johnson & Johnson Consumer Inc. | Oral care compositions |
| US9072687B2 (en) | 2013-02-26 | 2015-07-07 | Mcneil-Ppc, Inc. | Oral care compositions |
| CA3118452A1 (en) * | 2018-11-02 | 2020-05-07 | Church & Dwight Co., Inc. | Oral care composition |
| USD1082549S1 (en) * | 2022-10-20 | 2025-07-08 | Pouch Pac Innovations, Llc | Pouch |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2991229A (en) * | 1958-09-30 | 1961-07-04 | Union Carbide Corp | Toothpaste composition |
| US3689637A (en) * | 1969-07-11 | 1972-09-05 | Lever Brothers Ltd | Dentifrice composition |
| GB1372382A (en) * | 1971-02-05 | 1974-10-30 | Unilever Ltd | Toothpastes |
| US3935306A (en) * | 1972-04-11 | 1976-01-27 | Colgate-Palmolive Company | Toothpaste formulations |
| US3906090A (en) * | 1972-09-07 | 1975-09-16 | Colgate Palmolive Co | Clear dentifrice |
| ZA737495B (en) * | 1972-10-30 | 1975-05-28 | Colgate Palmolive Co | Toothpastes |
| US3976765A (en) * | 1973-11-01 | 1976-08-24 | Colgate-Palmolive Company | Antibacterial oral preparations |
| JPS5231938A (en) * | 1975-09-08 | 1977-03-10 | Kobe Steel Ltd | Welding flux |
| CH620828A5 (en) * | 1976-03-02 | 1980-12-31 | Gaba Ag | Composition for oral and dental care |
| JPS5840926B2 (en) * | 1978-07-15 | 1983-09-08 | ライオン株式会社 | toothpaste composition |
| US4254101A (en) * | 1979-10-15 | 1981-03-03 | The Procter & Gamble Company | Toothpaste compositions |
-
1982
- 1982-06-11 GR GR68413A patent/GR79663B/el unknown
- 1982-06-16 NZ NZ200995A patent/NZ200995A/en unknown
- 1982-06-17 BR BR8203559A patent/BR8203559A/en unknown
- 1982-06-18 AU AU84975/82A patent/AU550100B2/en not_active Ceased
- 1982-06-18 CH CH4205/84A patent/CH649704A5/en not_active IP Right Cessation
- 1982-06-18 CH CH3779/82A patent/CH654481A5/en not_active IP Right Cessation
- 1982-06-18 DE DE19823222794 patent/DE3222794A1/en not_active Withdrawn
- 1982-06-22 FR FR8210887A patent/FR2508312B1/en not_active Expired
- 1982-06-22 MX MX015242A patent/MX171006B/en unknown
- 1982-06-23 KR KR1019820002799A patent/KR840000225A/en not_active Ceased
- 1982-06-24 PT PT75114A patent/PT75114B/en not_active IP Right Cessation
- 1982-06-24 SE SE8203949A patent/SE453459B/en not_active IP Right Cessation
- 1982-06-25 NO NO822157A patent/NO161294C/en unknown
- 1982-06-25 NL NL8202589A patent/NL8202589A/en not_active Application Discontinuation
- 1982-06-25 DK DK286782A patent/DK286782A/en unknown
- 1982-06-28 GB GB08218632A patent/GB2100983B/en not_active Expired
- 1982-12-13 FR FR8220870A patent/FR2515513B1/en not_active Expired
- 1982-12-13 FR FR8220871A patent/FR2515514A1/en active Pending
-
1984
- 1984-01-19 GB GB08401360A patent/GB2149661B/en not_active Expired
- 1984-07-13 GB GB08417846A patent/GB2142536A/en not_active Withdrawn
-
1987
- 1987-09-23 SE SE8703662A patent/SE466337B/en not_active IP Right Cessation
-
1990
- 1990-02-14 JP JP2033600A patent/JPH0637381B2/en not_active Expired - Lifetime
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