AU625832B2 - Improved silica - Google Patents
Improved silica Download PDFInfo
- Publication number
- AU625832B2 AU625832B2 AU24595/88A AU2459588A AU625832B2 AU 625832 B2 AU625832 B2 AU 625832B2 AU 24595/88 A AU24595/88 A AU 24595/88A AU 2459588 A AU2459588 A AU 2459588A AU 625832 B2 AU625832 B2 AU 625832B2
- Authority
- AU
- Australia
- Prior art keywords
- silica
- previous
- procedure
- silica according
- content
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims description 128
- 239000000377 silicon dioxide Substances 0.000 title claims description 64
- 238000000034 method Methods 0.000 claims description 24
- 239000003643 water by type Substances 0.000 claims description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 claims 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims 8
- 239000002253 acid Substances 0.000 claims 8
- 239000000725 suspension Substances 0.000 claims 6
- 150000002357 guanidines Chemical class 0.000 claims 5
- 238000000926 separation method Methods 0.000 claims 5
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 claims 4
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 claims 4
- 150000007524 organic acids Chemical class 0.000 claims 4
- 239000000047 product Substances 0.000 claims 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims 4
- GHXZTYHSJHQHIJ-UHFFFAOYSA-N Chlorhexidine Chemical compound C=1C=C(Cl)C=CC=1NC(N)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1 GHXZTYHSJHQHIJ-UHFFFAOYSA-N 0.000 claims 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 3
- 150000001450 anions Chemical class 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 3
- 229960003260 chlorhexidine Drugs 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 claims 3
- 239000000706 filtrate Substances 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- 150000003839 salts Chemical class 0.000 claims 3
- 238000001228 spectrum Methods 0.000 claims 3
- 229940034610 toothpaste Drugs 0.000 claims 3
- 239000000606 toothpaste Substances 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 3
- 239000011701 zinc Substances 0.000 claims 3
- 229910052725 zinc Inorganic materials 0.000 claims 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 239000011575 calcium Substances 0.000 claims 2
- 229910052791 calcium Inorganic materials 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 230000000052 comparative effect Effects 0.000 claims 2
- 230000000536 complexating effect Effects 0.000 claims 2
- 238000001035 drying Methods 0.000 claims 2
- 238000001179 sorption measurement Methods 0.000 claims 2
- 101000912181 Arabidopsis thaliana Cysteine synthase, mitochondrial Proteins 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 230000001588 bifunctional effect Effects 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 claims 1
- 150000001991 dicarboxylic acids Chemical class 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- RBNPOMFGQQGHHO-UHFFFAOYSA-N glyceric acid Chemical class OCC(O)C(O)=O RBNPOMFGQQGHHO-UHFFFAOYSA-N 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000035800 maturation Effects 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 235000021317 phosphate Nutrition 0.000 claims 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- 238000010008 shearing Methods 0.000 claims 1
- 230000008719 thickening Effects 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/126—Preparation of silica of undetermined type
- C01B33/128—Preparation of silica of undetermined type by acidic treatment of aqueous silicate solutions
-
- 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
- A61K8/25—Silicon; Compounds thereof
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/152—Preparation of hydrogels
- C01B33/154—Preparation of hydrogels by acidic treatment of aqueous silicate solutions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
- C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/19—Oil-absorption capacity, e.g. DBP values
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Cosmetics (AREA)
- Silicon Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
I r mR i
I
I 1 COMMONWEALTH OF AUSTRALIA 62 58 3 2 FORM 10 PATENTS ACT 1952 COMPLETE S P E C IFICATION FOR OFFICE USE:
I
'Ij Class Int.Class Application Number: Lodged: Complete Specification Lodged: Accepted: Published: ,Priority: 'Related Art: r t Name of Applicant: RHONE-POULENC CHIMIE Address of Applicant: 25, Quai Paul Doumer, 92408, Courbevoie, France.
:Actual Inventor: Jacques Persello "'Address for Service: SHELSTON WATERS, 55 Clarence Street, Sydney Complete Specification for the Invention entitled:
I
"IMPROVED SILICA" The following statement is a full description of this invention, including the best method of performing it known to us:- 1 i o~o
Claims (38)
1. Silica compatible with products of guanidine type characterised in that it exhibits a surface chemistry such that its acidity function Ho is greater than 3.3.
2. Silica according to claim 1, wherein the product of guanidine type is chlorhexidine.
3. Silica according to claim 1 and 2, wherein the silica shows a compatibility with the products of guanidine type of at least
4. Silica according to claim 3, wherein the silica shows a compatibility with the products of guanidine type of at least Silica according to any one of claims to 4, wherein the silica shows, in addition, a compatibility withi zinc of at least
6. Silica according to claim 5, wherein the silica shows a compatibility with zinc of at least Silica according to any one of claims 1 to 6, v 0 0wherein the silica has a pyridine infra-red adsorption 000spectrum that exhibits, with respect to the spectrum of pyridine alone, a displacement Ay of 10 cm- at the most.
8. Silica according to claim 7, wherein it has a 00:pyridine infra-red adsorption spectrum that exhibits, with respect to the spectrum of pyridine aJlone, a displacement Ay of 5cm1 at the most.
009. Silica according to claim 7 or 8, wherein the aforementioned displacement is null. 14 28 Silica according to any one of the previous claims, ji wherein its content in anions of the type SO2- ClNO ,P0 3 c 2 is, at the 3 4 3 most, 5.10 3 moles per 100 g of silica.
11. Silica according to claim 10, wherein its content -3 in the aforementioned anions is 1.10 at the most per 100 g of silica.
12. Silica according to claim 10 or 11, wherein its content in the aforementioned anions is, at the most, -3 0.2.10 moles per 100 g of silica.
13. Silica according to any one of claims 10 to 12, wherein its sulfate content, expressed in SO 4 is at the most.
14. Silica according to claim 13, wherein its sulfate content, is 0.1% at the most. Silica according to claim 13 or 14, wherein its sulfate content, is 0.02% at the most.
16. Silica according to any one of the previous claims, wherein it shows a surface chemistry such that the number of OH, expressed as OH/nm is at the most *17. Silica according to claim 16, wherein the number of OH is 12 at the most.
18. Silica according to any one of the previous claims, wherein its point of null charge (PZC) is at least 3.
19. Silica according to claim 18, wherein its point of null charge is between 4 and 6. U- 20, Silica according to any one of the previous claims, j wherein its aluminium content is 500 ppm at the most. ~nk
29- 21. Silica according to any one of the previous claims, wherein its iron content is 200 ppm at the most. 22. Silica according to any one of the previous claims, wherein its calcium content is 500 ppm at the most. 23. Silica according to claim 22, wherein its calcium content is 300 ppm at the most. 24. Silica according to any one of the previous claims, wherein its carbon content is 50 ppm at the most. Silica according to claim 24, wherein its carbon content is 10 ppm at the most. 26. Silica according to any one of the previous claims, wherein its pH is 8 at the most. 27. Silica according to claim 26, wherein its pH is between 6.0 and 28. Silica according to any one of the previous claims, wherein its surface area BET is between 40 and 600 m 2 /g. 29. Silica according to any one of the previous claims, wherein its surface area CTAB is between 40 and 400 m 2 /g.
30. Silica according to any one of the previous claims, when of abrasive type, wherein its surface area BET is between 40 and 300 m 2/g.
31. Silica according to any one of the claims 1 to 29, when of thickening type, wherein its surface area BET is between 120 and 450 m 2 /g.
32. Silica according to claim 31, wherein its surface area CTAB is between 120 and 400 m2/g. '1 C CC a. a a. a Ca C C .4 CC C S Ca 4 CC. C CCCI C SaC CL Sc 1 5c.~ IL C C ~a C aS C C C C CC 04 C CC aa C CS C 444 C i 17 1 I r 30
33. Silica according to any one of the claims 1 to 29, when bifunctional, wherein its surface area BET is between 80 and 200 m 2 /g.
34. Silica according to any one of the previous claims, wherein it shows an oil uptake of a magnitude between and 500 cm 3 /100g. Silica according to any one of the previous claims, wherein its mean particle size varies between 1 and im.
36. Silica according to any one of the previous claims, wherein its apparent density lies between 0.01 and 0.3.
37. Silica according to any one of the previous claims, wherein it is a silica of precipitation.
38. Procedure for manufacturing a silica compatible with guanidines according to any one of the previous claims, said procedure consisting of a reaction of a silicate with an acid whereby a suspension or a gel of silica is obtained, a separation and a drying of the silica, characterised in that following separation of the 2 silica from the suspension, the resulting cake is washed with water until the conductivity of the filtrate is 200 Smicrosiemens.cm at the most.
39. Procedure according to claim 38, wherein the silica S\ is compatible with chlorhexidine. *40. Procedure according to claim 38 or 39, wherein the aforementioned cake is washed with water until the o* conductivity of the filtrate is 100 microsiemens.cm 1 *i at the most. .f1 _0<N v 1 1 1 i;J 1 t i 31-
41. Procedure for manufacturing a silica compatible 4 with guanidines according to any one of the previous claims, said procedure consisting of a reaction of a silicate with an acid whereby a suspension or a gel of silica is obtained, a separation and a drying of the silica, characterised in that the cake resulting from this separation is subjected to a first wash with water, then to a second wash or treatment with an acid solution.
42. Procedure according to claim 41, wherein the silica is compatible with chlorhexidine.
43. Procedure according to claim 41 or 42, wherein the first wash is carried out until the conductivity of the filtrate is 2000 microsiemens.cm at the most.
44. Procedure according to any one of claims 41 to 43, wherein the aforementioned acid solution is a solution of organic acid. Procedure according to claim 44, wherein the organic acid is a complexing acid. a "p0 .46. Procedure according to claim 44 or 45, wherein the aforementioned organic acid is selected within the group of carboxylic acids, dicarboxylic acids, aminocarboxylic "acids, hydroxycarboxylic acids.
47. Procedure according to any one of claims 44 to 46, "..wherein the organic acid is chosed. within the group 0 including acetic, gluconic, tartaric, citric, maleic and glyceric acids.
48. Procedure according to any one of claims 38 to 47, wherein aforementioned suspension or gel of silica is 32 subjected to a maturation process prior to separation.
49. Procedure according to any one of claims 38 to 48, wherein following the reaction of the silicate with acid, the pH of the suspension or gel obtained is adjusted to a value of 6 at the most. Procedure according to claim 49, wherein the pH is adjusted to between 4 and 6.
51. Procedure according to one of claims 38 to wherein an alkaline-earth salt is added either to the suspension or gel, or to the cake following its possible shearing.
52. Procedure according to claim 51, wherein an organic salt is used.
53. Procedure according to claim 52, wherein the organic salt is a complexing alkaline-earth.
54. Toothpaste composition, characterised in that it includes a silica according to one of the claims 1 to 37 or a silica prepared following the procedure according to •one of claims 38 to 53.
55. Toothpaste composition according to claim 54 wherein it includes at least one component chosen within the group including fluorine, phosphates, guanidines, zinc, maleic-vinylethylether acid copolymers. S56. A silica compatible with guanidines, substantially as herein described with reference to any one of the Examples but excluding the comparative examples.
57. A procedure for manufacturing a silica compatible with guanidines, said procedure substantially as herein L I -33 described with reference to any one of the Examples but excluding the comparative examples.
58. Toothpaste composition, characterised in that it includes a silica according to claim 56 or a silica prepared following the procedure according to claim 57. DATED this 4th Day of May 1992 RHONE-POULENC CHIMIE Attorney: IAN T. ERNST Fellow Institute of Patent Attorneys of Australia of SHELSTON WATERS ago.: a4 9 14*A t
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8715275A FR2622439B1 (en) | 1987-11-04 | 1987-11-04 | SILICA FOR TOOTHPASTE COMPOSITIONS COMPATIBLE IN PARTICULAR WITH CHLORHEXIDINE |
| FR8715275 | 1987-11-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2459588A AU2459588A (en) | 1989-06-29 |
| AU625832B2 true AU625832B2 (en) | 1992-07-16 |
Family
ID=9356468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU24595/88A Ceased AU625832B2 (en) | 1987-11-04 | 1988-11-02 | Improved silica |
Country Status (26)
| Country | Link |
|---|---|
| EP (1) | EP0315503B2 (en) |
| JP (1) | JPH0699293B2 (en) |
| KR (1) | KR940000106B1 (en) |
| CN (1) | CN1014317B (en) |
| AR (1) | AR240303A1 (en) |
| AT (1) | ATE74502T1 (en) |
| AU (1) | AU625832B2 (en) |
| BR (1) | BR8805841A (en) |
| CA (1) | CA1340770C (en) |
| DE (1) | DE3869905D1 (en) |
| DK (1) | DK612388A (en) |
| ES (1) | ES2036703T5 (en) |
| FI (1) | FI89899C (en) |
| FR (1) | FR2622439B1 (en) |
| GR (2) | GR3004927T3 (en) |
| HK (1) | HK6393A (en) |
| IE (1) | IE60551B1 (en) |
| IL (1) | IL88282A (en) |
| MA (1) | MA21426A1 (en) |
| MY (1) | MY103927A (en) |
| NZ (1) | NZ226818A (en) |
| PH (1) | PH26812A (en) |
| PT (1) | PT88931B (en) |
| SG (1) | SG110892G (en) |
| TN (1) | TNSN88116A1 (en) |
| ZA (1) | ZA888236B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6143281A (en) * | 1987-03-31 | 2000-11-07 | Smithkline Beecham P.L.C. | Dentifrice compositions |
| FR2646664B1 (en) * | 1989-05-03 | 1991-09-06 | Rhone Poulenc Chimie | SILICA FOR TOOTHPASTE COMPOSITIONS COMPATIBLE IN PARTICULAR WITH AMINE ORGANIC COMPOUNDS |
| WO1992002454A1 (en) * | 1990-08-06 | 1992-02-20 | Joseph Crosfield & Sons Limited | Silicas |
| JPH08502034A (en) * | 1992-05-19 | 1996-03-05 | ダブリユ・アール・グレイス・アンド・カンパニー・コネテイカツト | Oral protection compositions containing silica-based materials with improved compatibility |
| US5320830A (en) * | 1992-12-30 | 1994-06-14 | The Procter & Gamble Company | Oral compositions |
| ATE142986T1 (en) * | 1993-08-07 | 1996-10-15 | Degussa | METHOD FOR PRODUCING A PRECIPITATED SILICIC ACID |
| DE4423493A1 (en) * | 1993-08-07 | 1995-02-09 | Degussa | Process for the preparation of a precipitated silica |
| TR28113A (en) * | 1993-12-09 | 1996-01-30 | Raks Elektrikli Ev Aletleri Sa | Automatic aerosol sprayer. |
| DE19642448A1 (en) * | 1996-03-27 | 1997-10-02 | Degussa | Precipitated silica |
| DE10146325A1 (en) * | 2001-09-20 | 2003-04-10 | Degussa | Precipitated silica with a high BET / CTAB ratio |
| US6946119B2 (en) * | 2003-02-14 | 2005-09-20 | J.M. Huber Corporation | Precipitated silica product with low surface area, dentifrices containing same, and processes |
| CA2786016C (en) | 2010-01-07 | 2014-07-22 | Colgate-Palmolive Company | Oral care compositions containing a chalcone color change component |
| WO2011150004A2 (en) * | 2010-05-25 | 2011-12-01 | The Procter & Gamble Company | Oral care compositions and methods of making oral care compositions comprising silica from plant materials |
| JP7000101B2 (en) * | 2017-09-29 | 2022-01-19 | 株式会社フジミインコーポレーテッド | Silica dispersion, polishing slurry and polishing slurry preparation kit |
| CN108061715B (en) * | 2017-12-14 | 2020-04-24 | 石药银湖制药有限公司 | Method for rapidly and quantitatively evaluating quality stability of traditional Chinese medicine injection |
| CN115361935B (en) | 2020-03-24 | 2024-08-09 | 罗地亚经营管理公司 | Whitening oral care compositions |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2213788A (en) * | 1987-09-15 | 1989-03-16 | Unilever Plc | Silicas |
| AU600256B2 (en) * | 1986-02-28 | 1990-08-09 | Unilever Plc | Silicas |
| AU600241B2 (en) * | 1985-12-03 | 1990-08-09 | Crosfield Limited | Precipitated silicas |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1506330A (en) * | 1966-05-24 | 1967-12-22 | Fr Des Silicates Speciaux Sifr | Improvements to silica manufacturing processes and products obtained by these processes |
| US4340583A (en) * | 1979-05-23 | 1982-07-20 | J. M. Huber Corporation | High fluoride compatibility dentifrice abrasives and compositions |
| US4562066A (en) * | 1984-12-11 | 1985-12-31 | Colgate-Palmolive Company | Astringent dentifrice containing monofluorophosphate |
-
1987
- 1987-11-04 FR FR8715275A patent/FR2622439B1/en not_active Expired - Lifetime
-
1988
- 1988-10-21 ES ES88402652T patent/ES2036703T5/en not_active Expired - Lifetime
- 1988-10-21 DE DE8888402652T patent/DE3869905D1/en not_active Expired - Fee Related
- 1988-10-21 EP EP88402652A patent/EP0315503B2/en not_active Expired - Lifetime
- 1988-10-21 AT AT88402652T patent/ATE74502T1/en not_active IP Right Cessation
- 1988-11-02 NZ NZ226818A patent/NZ226818A/en unknown
- 1988-11-02 AU AU24595/88A patent/AU625832B2/en not_active Ceased
- 1988-11-02 MY MYPI88001250A patent/MY103927A/en unknown
- 1988-11-03 ZA ZA888236A patent/ZA888236B/en unknown
- 1988-11-03 CA CA000582108A patent/CA1340770C/en not_active Expired - Fee Related
- 1988-11-03 AR AR312374A patent/AR240303A1/en active
- 1988-11-03 IE IE332488A patent/IE60551B1/en not_active IP Right Cessation
- 1988-11-03 PH PH37769A patent/PH26812A/en unknown
- 1988-11-03 CN CN88108842A patent/CN1014317B/en not_active Expired
- 1988-11-03 IL IL88282A patent/IL88282A/en not_active IP Right Cessation
- 1988-11-03 FI FI885079A patent/FI89899C/en not_active IP Right Cessation
- 1988-11-03 PT PT88931A patent/PT88931B/en not_active IP Right Cessation
- 1988-11-03 DK DK612388A patent/DK612388A/en not_active Application Discontinuation
- 1988-11-03 TN TNTNSN88116A patent/TNSN88116A1/en unknown
- 1988-11-03 MA MA21668A patent/MA21426A1/en unknown
- 1988-11-04 KR KR1019880014524A patent/KR940000106B1/en not_active Expired - Fee Related
- 1988-11-04 JP JP63277543A patent/JPH0699293B2/en not_active Expired - Lifetime
- 1988-11-04 BR BR888805841A patent/BR8805841A/en not_active IP Right Cessation
-
1992
- 1992-06-17 GR GR920401287T patent/GR3004927T3/en unknown
- 1992-10-22 SG SG1108/92A patent/SG110892G/en unknown
-
1993
- 1993-01-28 HK HK63/93A patent/HK6393A/en not_active IP Right Cessation
-
1996
- 1996-01-30 GR GR960400205T patent/GR3018817T3/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU600241B2 (en) * | 1985-12-03 | 1990-08-09 | Crosfield Limited | Precipitated silicas |
| AU600256B2 (en) * | 1986-02-28 | 1990-08-09 | Unilever Plc | Silicas |
| AU2213788A (en) * | 1987-09-15 | 1989-03-16 | Unilever Plc | Silicas |
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