AU692808B2 - Process for producing a decomposable thin-walled molded article based on starch - Google Patents
Process for producing a decomposable thin-walled molded article based on starch Download PDFInfo
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- AU692808B2 AU692808B2 AU10580/95A AU1058095A AU692808B2 AU 692808 B2 AU692808 B2 AU 692808B2 AU 10580/95 A AU10580/95 A AU 10580/95A AU 1058095 A AU1058095 A AU 1058095A AU 692808 B2 AU692808 B2 AU 692808B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
- B65D65/466—Bio- or photodegradable packaging materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/46—Applications of disintegrable, dissolvable or edible materials
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21D—TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS
- A21D13/00—Finished or partly finished bakery products
- A21D13/30—Filled, to be filled or stuffed products
- A21D13/32—Filled, to be filled or stuffed products filled or to be filled after baking, e.g. sandwiches
- A21D13/33—Edible containers, e.g. cups or cones
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P20/00—Coating of foodstuffs; Coatings therefor; Making laminated, multi-layered, stuffed or hollow foodstuffs
- A23P20/20—Making of laminated, multi-layered, stuffed or hollow foodstuffs, e.g. by wrapping in preformed edible dough sheets or in edible food containers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Polymers & Plastics (AREA)
- Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Wrappers (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Table Devices Or Equipment (AREA)
- Biological Depolymerization Polymers (AREA)
- Noodles (AREA)
Abstract
The invention pertains to a process for producing decomposable thin-walled molded articles such as cups, plates, fast-food packaging, trays, flat sheets and the like, applying a starch-based baking material on the lower part of a multipart, preferably two-part mold, wherein a tough, durable article of high mechanical stability is produced by using an essentially fat-free baking material that is made from water, one or more starches, starch products and/or flour or flour mixtures, a parting agent, that is one or more medium- or long-chain, possibly substituted fatty acids and/or their salts and/or their acid derivatives, e.g. acid amide, and/or a polymethylhydrogen siloxane and possibly thickening agents such as swelling starch, starch made pasty beforehand or baking leavings, and/or guar powder, pectin, carob seed meal, carboxymethylcellulose and/or gum arabic; fibrous materials, nonfibrous fillers and common additives, with baking the baking material filling out the mold, and by conditioning the resulting product to establish a moisture content of 6-22 wt %, characterized in that the baking material contains 45.0-68.5 wt %, preferably 48.0-65.0 wt % water; 11.4-45 wt %, preferably 15-40 wt % starch or starch product; 0.05-11 wt %, preferably 0.1-4.2 wt % parting agent, and 1.0-17.5 wt %, preferably 2-16 wt % hydrophilic vegetable fiber, such as cellulose, hemicellulose, potato fiber, beet chips and the like, the powdered fiber being premixed dry with the parting agent.
Description
ANNOUNCEMENT OF THEfLATERfPUSLICATION
OF
PCT INTERNATION'AL, qEARCIH REPORTS .INTERNATIO' 'RA OBR I (51) Liternationale Patentktlassifikation 6: (11) Jnternatisnale Verliffentlichungsnumnier: WO 95/15894 65/46, A23P 1/08, A21D 13/00 A3 (3 nentoae Verdffentlichungsdattun: 15. Juni 1995 (15.06.95) (21) Interniationales Aktenzeichen: Pc~/AT940O I8 (81) Bestimrnungsstaaiten: Au, CA, cZ, Hu, ip, KR, PL, us, europiisches Patent (AT, BE, CH, DE, DK, ES, FR, GB, (22) Internationales Anmelcledatum: 6. December 1994 (Ob. 12.94) GR. IE, IT, LU, MC, NL, PT, SE).
Pi-ioritlitsdaten: Ver~ffentlicht A 2467/93 6. December 1993 (06.12.93) AT Mit internationalemt Reclzerchenbericht.
(6l8) Ver~ffentlichungsdatum des internationalen Recherchen- (71) Am". elder (fdr al/c Bestimmungsstaaten ausser US): FRANZ berichts: 19. September 1996 (19.09.96) ,AAS WAFFELMASCHINEN INDUSTR]EGE- .SELLSCHAF? MBH [AT/ATh; Pragerstrasse 124, A-1210 Wien (AT).
(72) Erfinder; und 620 Erfinder/Anmelder (nur flu- US): TIEFENBACHER, Karl [AT/ATl; Geblergasse 78, A-1 170 Wien HAAS, Franz, sen. [AT/AllJ; Gerstlgasse 25, A-1210 Wien HAAS, Joharn [AT/AT]; Seitweg 4, A-3400 Klosterneuburg ji:':T
(AT).
(74) Anwalt: BERGER, Erhard-, Siebensterngasse 39, A-1071 Wien 0 f SEP 1996 G NSTC Title: PROCESS FOR PRODUCING A DECOMPOSABLE THIN-WALLED MOLDED ARTICLE BASED ON STARCH 0-1) 6 eichnung: VERFAHREN ZUR HIERSTELLUNG VON VERROTTBAREN, DONNWANDIGEN FORMKORPERN AUF
STARKEBASIS
(57) Abstract The invention pertains to a process for producing decomposable thin-walled molded articles such as cups, plates, fast-food packaging, trays, flat sheets and the like, applying a starch-based baking material on the lower part of a multipart, preferably two-part mold, wherein a tough, durable article of high mechanical stability is produced by using an essentially fat-free baking material that is made from water, one or mome starches, starch products and/or flouir or flour mixtures, a parting agent, that is one or more medium- or long-chaini, possibly substituted fatty acids and/or their salts and/or their acid derivatives, e.g. acid amide, and/or a polymethyihydrogen siloxane and possibly thickening Agents such as swelling starch, stairch made pasty beforehand or baking leavings, and/or guar powder, pectin, carob seed meal, carboxymethylcellulose and/or gum arabic; fibrous materials, nonfibrous fillers and common additives, with baking the baking material filling out tiha mold, and by conditioning the resulting product to establish a moisture content of 6-22 wt characterized in that the baking material1 contans 45.0-68.5 wt preferably 48.0-65.0 wt water-, 11.4-45 wt preferably 15-40) wt starch or starch product; 0.05-11 wt preferabiy 0,1-4.2 wt parting agent, and 1.0-17.5 wt preferably 2-16 wt hydrophilic vegetable fiber, such as cellulose, hemnicellulose, potato fiber, beet chips and the like, the powdered fiber being premixed dry with the parting agent.
(57) Zusaramenfassumg Die Erfindung betuifft cin Verfahren zur Herstellung von vercotbaren, dllnnwandigen Formk~rpern. wie z.B. Bechern, Teller, Fast- Food-Verpackungen, Trays, ebenen Blliteru u.dgl. durch Auf1bringea einer Backrnasse auf Stirkebasis auf den untereni Formteil einer mehirteiligen, vorzugswcisc zweiteiligen Form, wobei man, urn ein zilbes, festes, hohe mechanische Stabililit auf'weisenides Produkt zu erhalten, eine aus Wasser, einer oder mehreren Stliken, Stlirkeprodukten und/oder Mehl oder Mehlgemnischen, eincm Trenrimittel, nlirnlich eine oder rnehrere mittel- oder langkettigc, gegebenenfalls substituierte Fettsaiuren und/oder deren Salze und/oder deren Siurederivate, z.B. Sliureamide und/oder ein Polymethythydrogensiloxan und gegebenenfalls, VerdickungsmitteL, wie Quellstiiie, vorverkleistezte Stirke odor Backabfall, und/oder Guar-Mehl, Pektin, Johansbrotkernmehl, Carboxymethylcellulose und/oder Gemini arabicum;, Faserstoffe, nicht fascrfbrmige Filllstoffe und liblichen Zusiitzen bereitate, ira wesentlichen fettfreie Backrnasse einsetzt, die die Form ausfillende Backmasse ausbackt, und das erhaltene Produkt durh Konditionieren auf einen Fcuchtigkoitsgehalt von 6 Gew.-% bis 22 Gew.-% einstell, das dadurch gekeinzocihnct ist, daBl die Backinasse 45,0 bis 68,5 vorzugsweise 48,0 bis 65,0 Gew.-% Wasser, 11,4 bis 45 Gew.-%, vorzugsweise 15 bis 40 Gew.-% StUrke oder Stirkeprodukt, 0,05 bis I I vorzugsweise 0, 1 bis 4,2 Gew.-% Trennimittel umxl 1,0 bis 17,5 GewA%, vorzugsweise 2 bis 16 Gew.-% hyd~ophile pflanzliche Fasern, wie Cellulose, Hemicellulose, Kartoffelfasern, Rllbenschnitzcl uAli cntht, wobei die pulverfa3rmigen Fasar- mit demn Trennimittel trocken vorgemischt werden.
ENGLISH TRANSLATION OF INTERNATIONAL APPLICATION PCT/AT94/00189 TITEL: Process for manufacturing a compostible thin-walled molded article based on starch This invention relates to a process for manufacturing compostible thin-walled molded articles such as cups, plates, fast-food packaging, trays, flat sheets and the like, applying a starch-based baking composition on the lower part of a multipart, preferably bipartite mold, using an essentially fat-free baking composition to obtain a tough, durable article of high mechanical stability the baking composition being prepared from: water, at least one starch, starch products and/or flour or flour mixtures, a release agent, selected from one or more medium- or long-chain, optionally substituted fatty acids and/or salts thereof and/or acid derivatives thereof, e.g. acid amides and/or a polymethylhydrogen siloxane and optionally thickening agents such as swell-starch, pregelatinized starch or baking wastes, and/or guar gum, pectin, carob gum, carboxymethylcellulose and/or gum arabic, fibrous materials such as high-cellulose raw materials, vegetable raw materials, fibers of plastics, glass, metal and carbon; non-fibrous fillers such as calcium carbonate, carbon, talc, titanium dioxide, silica gel, alumina, shellac, soybean protein powder, wheat gluten powder, chicken egg protein powder, casein powder, caseinate powder; colorants; preservatives and anticxidants, by baking the baking composition filling the mold, and by conditioning the resulting product to establish a moisture content of 6-22 by weight.
Such a process is described in EP-B1 513 106. When producing a molded article according to that process, the structure is formed by the use of starch and starch derivatives, and their subsequent gelatinization. The incorporation of fillers or fibrous materials serves to improve mechanical properties, as U I I
L
I
-2is known from the strengthening of plastics.
The co-use of highly water-absorbing fibrous substances such as cellulose, hemicellulose, potato fibers, beet chips and the like had been limited by the high degree of water binding. As an example, cellulose fibers absorb a multiple amount (5-10 times) of water without resulting in a flowable mass or at least a plastic dough together with starch.
The evaporation of such large amounts of water during the forming of the structure will result in excessively porous articles or in the formation of cracks or cavities.
On the other hand, fibers with their structure-consolidating and flexibility- and tearing resistance-increasing action are desirable. Furthermore, especially cellulose as well as other fibrous substances originating from the processing of agricultural products are available at a more favorable price than starch and starch derivatives.
One method of reducing water requirement is the use of less water-absorbing fibers such as recycled paper fibers, but in this case, too, a further reduction of water absorption is desirable It has surprisingly been found that larger contents of hydrophilic vegetable fibers such as cellulose, hemicellulose, potato fibers, beet chips and the like may be used, and at the same time a considerable proportion of starch and starch derivatives may be saved, when the powdered fibers are vigorously dry-mixed with the release agent. For the purposes of the present invention "powdered" means the following: the cellulose fibers must be essentially freely flowing, i.e. air dry, and must mix intimately with the hydrophobic metal stearate emulsifier. The fiber length is 2 mm or less.
Shorter fiber lengths are desirable for technical reasons as regards the manufacturing process (obstruction of the venting IcV R, Il.
7A/i- I, IPI P:\OPER\MLA\I0580 95 113 23/4 -3holes), and shorter fibers, too, when considered on a molecular scale, still provide a strengthening action due to their fibrous nature.
According to the present invention there is provided a process for manufacturing a compostibie thin-walled molded article using an essentially fat-free baking composition to obtain a tough, durable article of high mechanical stability comprising the steps of: applying a starch-based baking composition to the lower part of a multi part mold wherein said baking composition contains: to 68.5% by weight of water; 11.4 to 45% by weight of starch or starch product; 0.05 to 11% by weight of release agent; and 1.0 to 17.5% by weight of hydrophilic vegetable fiber, and optionally further comprises thickening agents, fibrous materials, non-fibrous fillers, colorants, preservatives and antioxidants wherein said hydrophilic vegetable fiber being 20 premixed in the dry state with the release agent; baking the baking composition filling the mold; and conditioning the resulting product to establish a moisture content in the range of from 6 to 22% by weight.
25 It is preferred that the baking composition contains from 48.0 to 65.0% by weight of water.
e It is preferred that the baking composition contains from 15 to by weight of starch or starch product.
It is preferred that the baking composition contains from 0.1 to 4.2% by weight release agent.
It is preferred that the baking composition contains from 2 to 16% by weight hydrophilic vegetable fiber.
P OPEP MLA 'lIO'."o I111 -1 .J'1 3A It is preferred that the hydrophilic vegetable fiber is selected from the group consisting of cellulose, hemicellulose, potato fiber and shredded beet.
There is further provided a compostible thin-walled article made by the above process. It is preferred that the compostible thin-walled molded article is a cup, a plate, a fast food packaging, tray or a flat sheet.
The content of release agents should amount to a minimum of by weight, and a maximum of 26 by weight, preferably 10-20 by weight of the cellulosct content.
The mixing time is dependent on the mixing intensity of the dry mixer. The time it takes under testing conditions to admix an amount of 0.1 by weight of activated carbon optically homogeneously may be considered as minimum mixing time. A mixing time at least twice as long is recommended.
Proceeding as described above leaving the preparation of the baking composition otherwise unchanged 1. water 2. fillers, starch, premixed with thickening agent 3. mixture fibers/release agent will result in two significant differences: 1. The water requirement of the fibrous substance is reduced and amounts to less than the quadruple of the fibrous substance weight.
2. The contacting angle of the baking composition at dosing into the baking mold increases.
Both are prerequisites as well as indicators of the formation of an even structure by not premature, even evaporation of not too large amounts of water.
P OPIRZ1[A.IO'i 111 214')S 3B The water requirement in these recipes is still elevated compared to formulations with a lesser content of highly absorbing fibers, yet it is possible to achieve a decrease of the content of starch, even a preponderance of fibrous substances.
Without being able to state a mechanism with certainty, it a a. a a a a a a.
Ia a a a *•m a a* a*
S*
S
o.
a..o a a a* I L I -4may be presumed that the availability of increased amounts of water in the baking composition leads to a more far-reaching or complete gelatinization of starch, gelatinized starch being the essential structure-forming element of such molded articles.
Compared to the molded articles described in EP-B1 513 106, there were no significant changes regarding density and insulating properties of the foam material. Tendentially, however, lighter and thus material-saving products with good handling quality may be produced.
It is advantageous to admix polyvinyl alcohol to the baking composition. The strong water-binding action of PVA helps to meke a flowable or at least plastic mixture with the highly water-absorbing fibers, without their absorbing too much water, as would happen otherwise.
Baking is done at temperatures preferably in the range of 155 220 also between 145 155 °C and 220 230 albeit with negative consequences for product quality. Baking time is dependent on the wall thickness of the molded articles and baking temperature, and may lie within a range from seconds to several minutes, preferably 40 to 230 seconds.
Example no. 1 2 3 4 5 6 Water 63,4 65,6 63,9 63,9 65,0 59,9 Starch (potato) 20,5 13,4 16,0 16,0 15,5 25,4 Starch (derivative) Release agent (magnesium stearate) 2,4 3,0 2,4 2,4 2,3 1,8 Thickening agent (guar) 0,1 0,2 0,2 0,2 0,2 Fibrous substance/ cellulose 6,8 16,4 16,0 16,0 15,5 10,91 Fibrous substance/ shredded beet 6,8
I
Fibrous substance/ potato fibe Filler/ white pigment Filler/ polyvinyl alkohol Filler/ calcium carbonate Filler/ tricalcium phosphate Filler/ titanium dioxide by weight, rounded down 1,5 1,6 1,6 1,8 to one decimal digit Example no.
Water Starch (potato) Starch (derivative) Release agent (magnesium stearate) Thickening agent (guar) Fibrous substance/ cellulose Fibrous substance/ shredded beet Fibrous substance/ potato fiber Filler/ white pigment Filler/ polyvinyl alkohol Filler/ calcium carbonate Filler/ tricalcium phosphate 7 63,0 21,0 1,8 0,2 8 64,5 16,1 2,4 9 63,3 15,1 1,8 10 68,5 11,4 11 62,4 13,9 6,9 12 64,8 13,0 3,2 2,9 2,8 2,6 0,2 0,2 0,1 0,2 0,2 14,0 16,1 18,1 17,1 13,9 16,2 0,6
I
-6- Filler/ titanium dioxide by weight, rounded down to one decimal digit Example no.
Water Starch (potato) Starch (derivative) Release agent (magnesium stearate) Thickening agent (guar) Fibrous substance/ cellulose Fibrous substance/ shredded beet Fibrous substance/ potato fiber Filler/ white pigment Filler/ polyvinyl alkohol Filler/ calcium carbonate Filler/ tricalcium phosphate Filler/ titanium dioxide 13 64,8 14,6 1,6 2,6 14 69,6 11,5 15 57,5 25,8 16 65,4 13,6 17 60,8 25,4 18 66,5 15,9 1,6 3,0 1,5 2,0 1,9 0,2 0,2 0,05 14,6 14,2 7,7 13,6 8,5 13,0 2,6 5,4 3,4 4,9 by weight, rounded down to one decimal digit Types of polyvinyl alkohol used: Example Example Example Example Example Example Airvol Airvol Airvol Mowiol Mowiol Mowiol 823 (Air Products) 523 S 823 10-98 (Hoechst) 28-99 26-88 Example 19 Mowiol 28-99 Example 20 Mowiol 28-99
Claims (4)
- 7- THE CLAIMS DEFINING THE INVENTION ARE AS FOLLOWS: 1. A process for manufacturing a compostible thin-walled molded article using an essentially fat-free baking composition to obtain a tough, durable article of high mechanical stability comprising the steps of: applying a starch-based baking composition to the lower part of a multi part mold wherein said baking composition contains: 45 to 68.5% by weight of water;
- 11.4 to 45% by weight of starch or starch product; 0.05 to 11% by weight of release agent; and to 17.5% by weight of hydrophilic vegetable fiber, and optionally further comprises thickening agents, fibrous materials, non-fibrous fillers, colorants, preservatives and antioxidants wherein said hydrophilic vegetable fiber being ot premixed in the dry state with the release agent; baking the baking composition filling the mold; and conditioning the resulting product to establish a 20 moisture content in the range of from 6 to 22% by weight. 2. A process according to claim 1 wherein said baking composition contains from 48.0 to 65.0% by weight of water. 25 3. A process according to either claim 1 or claim 2 wherein said baking composition contains from 15 to 40% by weight of starch or starch product. 4. A process according to any one of claims 1 to 3 wherein said baking composition contains from 0.1 to 4.2% by weight release agent. A process according to any one of claims 1 to 4 wherein said baking composition contains from 2 to 16% by weight hydrophilic vegetable fiber. P \OPiR\MLAI.IOS)Ii 9113 23IW/9 -8- 6. A process according to any one of claims 1 to 5 wherein said hydrophilic vegetable fiber is selected from the group consisting of cellulose, hemicellulose, potato fiber and shredded beet. 7. A process according to any one of claims 1 to 6 wherein said baking composition additionally contains polyvinyl alcohol. 8. A process according to claim 7 wherein said baking composition contains 1.6 to 5.4% by weight polyvinyl alcohol. 9. A compostible thin-walled molded article produced by the process according to any one of claims 1 to 8. 10. A compostible thin-walled molded article according to claim 9 wherein said article is a cup, a plate, a fast food packaging, tray or a flat sheet. 11. A process substantially as hereinabove described with 20 reference to the examples.
- 12. An article substantially as hereinabove described with reference to the examples. 25 Dated this 23rd day of April 1998. FRANZ HAAS WAFFELMASCHINEN INDUSTRIEGESELLSCHAFT MBH *9 By its Patent Attorneys DAVIES COLLISON CAVE -9- Abstract This invention relates to a process for manufacturing compostible thin-walled molded articles such as cups, plates, fast-food packaging, trays, flat sheets and the like, applying a starch-based baking composition on the lower part of a multipart, preferably bipartite mold, using an essentially fat-free baking composition to obtain a tough, durable article of high mechanical stability the baking composition being prepared from: water, at least one starch, starch products and/or flour or flour mixtures, a release agent, selected from one or more medium- or long-chain, optionally substituted fatty acids and/or salts thereof and/or acid derivatives thereof, e.g. acid amides and/or a polymethylhydrogen siloxane and optionally thickening agents such as swell-starch, pregelatinized starch cr baking wastes, a .d/or guar gum, pectin, carob gum, carboxymethylcellulose and/or gum arabic, fibrous materials such as high-cellulose raw materials, vegetable raw materials, fibers of plastics, glass, metal and carbon; non-fibrous fillers such as calcium carbonate, carbon, talc, titanium dioxide, silica gel, alumina, shellac, soybean protein powder, wheat gluten powder, chicken egg protein powder, casein powder, caseinate powder; colorants; preservatives and antioxidants, by baking the baking composition filling the mold, and by conditioning the resulting product to establish a moisture content of 6-22 by weight, characterized in that the baking composition contains 45.0 68.5 by weight, preferably 48.0 65.0 by weight, water, 11.4 45 by weight, preferably 15 40 by weight, starch or starch product, 0.05 11 by weight, preferably 0.1 4.2 by weight, release agent, and 1.0
- 17.5 by weight, preferably 2 16 by weight hydrophilic vegetable fiber, such as cellulose, hemicellulose, potato fiber, shredded beet and the like, the powdered fiber being premixed in the dry state with the release agent. 1 \ZNT OW\ INTERNATIONAL SEARCH REPORT Izflcr 'nal Application No PCT/AT 94/00 189 A. CLASSIFICATION OF SUBJECT MATTER IPC 6 B65D65/46 A23P1/08 A21013/00 According to International Patent Cassification (IPC) or to both national clasication and IPC B3. FIELDS SEARCHED Minimum documentation searched (classification sysr'.'. followed by classificaticia symbols) IPC 6 A23P C08L Docunerilatsmn itzin'hed other than minimum documentation to the extent that such docutments are included ra the fields searched Electronic data base consulted during the international searnh (name of data basc and, where practical, search terms used) C. DOCUMENTS CONSIDERED TO BE RELEVANT Category *Citation of doc'trent, with indication, where appropriate, of the relevant passges Relevant to claim No. A US,A,4 133 784 H. OTEY ET AL.) 9 1 January 1979 see column 4, line 32 line 44; claims 1-3 P,A US,A,5 320 669 (SEUNG-TAIK LIM ET AL.) 14 1-3 June 1994 see column 5, line 50 column 7, line claims 1-10,35 see column 6, line 16 see column 9, line 1 line 19 A WO,A,93 19125 (IOVA STATE UNIVERSITY 1-3 RESEARCH FOUNDATION IN~C) 30 September 1993 see page 8, line 6 line 21; claims 1-3,10,22 rM Further documents are listed in the continuation of box C. MV Patent family members are listed in annex. *Special categories of cited documents: T' later document published after the international iling date the at whch i notor prority date mid not in conflict with the aplication but document defining the general state of th r hc sntcited to understand the principle or theory underlying the considered to be of particular relevance invention E13 earlier documcent but published on or after, the international *X dcument of particular relevance; the claimed invention filing date cannot be considered novel or cannot be considered to document which may throw doubts on priority drumn(s) or involve an inventive step when the document is taken akn~e which is cited to establish the publication date of another 'Y document of particular relevance; the claimed invention citation or other special reason (as specified) cannot be considered to involve an inventive step when the document referring to an oral disclosure, use, exhibition or document is combined with one or more other such docu. other means menus, such combination being obvious to a person Wkiled P' document published prior to the internationAl filing date but in the art. later than the priority date claimed &e document member of the same patent famil y Date of the actual1 completion of the international search Date of mailing of the international search report 17 May 1995 29 .05.95 Name and mailing aiidress of the ISA Authorized officer European Patent Offce, P.D3. Sal1a Patentlaan 2 NL~ -28 MO-V Rijswijk Tel. (431-70) 340-2t)40, Ti.31 651 epo nl,Coce A Fax: t 31 .70) 340-3016 oce A Pafn PCTIISA2i a (weond Mt) (July 1992) Seite 1 von 2 MJUNiA±LNA1 I UNAL bIEARiC REP PTU~ Ine .lIAppli,.fi..No IPCT/AT 94/00189 C.(ContinuAtion) DOCUMENTS CONSIDERED TO BE RIPLVANT CaItegory' Cita~on of document, with indication, where appi priat, of the relevant pa~mgs Relevant to claim No. P,A EP,A,O 608 031 (COOP. VERKOOP- EN1 PRODUCTIEVERENIGING VAN AAROAPPELMEEL EN DERIVATEN) 27 July 1994 see column 3, line 27 line 43; claims A EP,A,0 376 201 (NATIONAL STARCH AND 1-3 CHEMICAL COOPERAIION) 4 July 1990 see page 4, line 43; claims 1-4,7,29,30,33 For PCAS)210Jwninullo ofItcnd hft) 01Y 00)Seite 2 von 2 INTERNATIONAL 'SEARC:H REPORT Inter rud Applicstion No nornton on patent farraly mcmbcrz PCT/AT 94/00189 Patent document Publcto Patent family Publication cited In szarch report daeImember(s) date US-A-4133784 09-01-79 CA-A- 1089136 04-11-80 US-A-5320669 14-06-94 AU-B- 5673994 04-07-94 WO-A-- 9413737 23-06-94 WO-A-9319125 30-09-93 AU-B- 3810493 21-10-93 EP-A-608031 27-07-94 NL-A- 9300102 16-08-94 EP-A-376201 04-07-90 US-A- 4863655 05-09-89 US-A- 5043196 27-08-91 AU-B- 630138 22-10-92 AU-A- 4694589 05-07-90 CA-A- 1331671 23-08-94 EP-A- 0375831 04-07-90 JP-A- 2298525 10-12-90 US-A- 5035930 30-07-9 1 US-A- 5153037 06-10-92 I Form PCT/ISA/310 (P&Wut faLMiY InO) (JUly 1i92) INTERNATIONALER RECHERtHENtERICHT tnter -nales Alctenzichen PCT/AT 94/00189 A. KLASSIFIZIERtJNG DES ANMELDUNOSGEGENSTANDES- IPK 6 B65D65/46 A23PI/08 A21013/00 Nach der Inernatianalen Patcniclassiftikation (IPK) ader nach der nationalcn Kiassirtkation wicl der lPK B. RECHERCHIERTE GEBIETE Recherchierter MindeqtstpfsfC (Kiassilikationssyserm und Kasfikationsymbole) IPK 6 A23P C08L Rccherehierte abcr nictit zurn Mindestpilfst glcib~hrcride Vcroffcntlchungen, soweit diese tinter dic recherchierten Gebictc fallen Wfibrend der intcmnauonalcn Rechirche konslluerte clektroniscsc Datenbank (Name der Datenbank und cvtl. verwendete Suchbcgnrfle) ALS WESENTLICH ANGESEHENE UNTERLAGEN .atcgornce Bezeichnung der Verdffentlichung, soweit erforderlich tuner Angabe der in IBetracht komnmenden Taile Betr. Anspeuch Nr. A US,A,4 133 784 H. OTEY ET AL.) 1 9.Januar 1979 siehe Spalte 4, Zeile 32 Zeile 44; AnsprUche 1-3 P,A US,A,5 320 669 (SEUNG-TAIK LIM E7 AL.) 1-3 14.Juni 1994 siehe Spalte 5, Zeile 50 Spalte 7, Zeile Anspri~che 1-10,35 siehe Spalte 6, Zeile 16 siehe Spalte 9, Zeile 1 Zeile 19 A WO,A,93 19125 (IOWA STATE UNIVERSITY 1-3 RESEARCH FOUNDATION INC) 30.Septeniber 1993 siehe Seite 8, Zeile 6 Zeile 21; AnsprUche 1-3,10,22 MV Weitcre Verdffentlithungen sind der Fortselzung von Feld C zu []Siehe Anhang Patentfamllie D esondcrc Kategornen von angegebenen Verbffentlichungen Splitere Vertlientlichitrg, te nach dem interrnabtonaltri Anmedledatum Ver~ftentlichung, die den allgcmelncn Stand der Technik detiniert. oder dem Pnonlalsdatum vcrbffentlicht warden ist und mut der abet nicht &Is Weonders bedcutsax awzuschen ist Artmeldurig nlcht kollidlertt sondemn nor zuniVerst.ndnis dcs der Erflndung zugrundeliegenden Prinzips oder der thr zugrundeliegenden W 1lteres Dokumcnt. das jedoch erst am oder nach dem internationalen Theorie angegeben it Anineldcdatum verdffentlicht warden is Vcr~fentlichung von besondercr Bedcutung; dhe beanspruchte Erfindung 'L Vcr6tidritlichung, die gecne lit. cinen PrioritAtsanspnlch zweifelhaft er. kanin allein auflrund dicser Verdffendichung nicht uJs neu oder auf schelnen zu lassen, odcr die das Verenulchunpsdatumn diner erfindenscher 'I itigkeit beruhend betrachtet werden anderen im Rcchercheitbericht gtnannsen, Vcraftentllehung bclegt werdcn Y' Vcr~frentlichung von besonderer Bcdcutung; die beansprichte Effindung soil oder die aus eunemn anderen besondcren Grund angtgcben ist (wit kann nicht ale auf crfindenscher TAtigkcit beruhend betrachtet ausilefOhil) werden, wcnn die Verdtcntlichung mit diner oder mehreren anderen Verbffentichung, die sich auf esne enlindlihe Offenbariing, Ver~ffcnUichungcn diecer KAtcgone in Verbmndung gebracht wird und eine Berutzing, elne Ausitellung odcr andere Mallnahmen brneht diese Verbindung fOr esnen Fachnun naelegcnd ist P Ve~ffetlcung, die vor demn inernaionalen Annieldedatunu abet nach VrfnteugdeMgiedesebnPtnamlelt dem beanspru lten Prioritlidatum ver~flentlilht warden lit' edrnlcug iiigle eslinPtnfaii Datum des Abseblusses der internationalcrn Recherche Absendedatumn des intemrationalen Recherchenbenchti 17.Mai 1995 29. 05. Namec und Postanschrift der intcrnationale Recherchernbeh6rde Devollmhhugter liedensteter Europilachet Patentamt, P.D. 5313Z Patentlaun 2 NL 2230 IIV PJ~swjk Tel. (,3170) 340240. Tx.31 651 epoti,Co ke A Faxc 31,70) 340-3016 o ce A Famublatt PCTISA/310 (Blatt 2) (3,mll 19N2) Seite 1 von 2 INTERNATION ALER RECH-ERCHENBERICHT SInter mnes Aktcnzvichcn PCT/AT 94/00189 C.(Fortstzmg) ALS WK!SENTLICH ANGESEHENE UN-MRLAGEN KAtcgoriC Bemichnung der Ver~ffentlichung, soweit erforderlich wnter Angabe der in Baeht koffmnden tc 1 Betr Anspruch Nr. P,A A EP,A,0 608 031 (COOP. VERK0OP- EN PRODUCTIEVERENIGING VAN AARDAPPELMEEL EN DERIVATEN) 27.Juli 1994 siehe Spalte 3, Zeile 27 Zeile 43; AnsprUche EP,A,0 376 201 (NATIONAL STARCH AND CHEMICAL COOPERATION) 4.Juli 1990 siehe Seite 4, Zeile 43; AnsprUche 1-4, 7,29 33 panw~att PCtIsAflIo )Forutu.Qa. wn m~att 2) QuII 1"2) Seite 2 von 2 INTI~RNATTONALI~R RFdHFHr'NRU~RTCHT Angaben zu Ver~lffentlichungen, die zur selben Patcntfaraffic gehoren Pne WC 94/00189e Im Recherchenbpricht Datum der Mitg~icd(er) der Datum der angefllhrtes Patcntdokument Vcrdltentlichung Patentfamilie Verdifcntlichung US-A-4133784 09-01-79 CA-A- 1089136 04-11-80 US-A-5320669 14-06-94 AU-B- 5673994 04-07-94 WO-A- 9413737 23-06-94 WO-A-9319125 30-09-93 AU-B- 3810493 21-10-93 EP-A-60803 1 27-07-94 NL-A- 9300102 16-08-94 EP-A-376201 04-07-90 US-A- 4863655 05-09-89 US-A- 5043196 27-08-91 AU-B- 630138 22-10-92 AU-A- 4694589 05-07-90 CA-A- 1331671 23-08-94 EP-A- 0375831 04-07-90 UP-A- 2298525 10-12-90 US-A- 5035930 30-07-91 US-A- 5153037 06-10-92 Pormblott pCrI11A210 CAnihang Patenttiillui IMf)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT246793 | 1993-12-06 | ||
| AT2467/93 | 1993-12-06 | ||
| PCT/AT1994/000189 WO1995015894A2 (en) | 1993-12-06 | 1994-12-06 | Process for producing a decomposable thin-walled molded article based on starch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU1058095A AU1058095A (en) | 1995-06-27 |
| AU692808B2 true AU692808B2 (en) | 1998-06-18 |
Family
ID=3534883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU10580/95A Ceased AU692808B2 (en) | 1993-12-06 | 1994-12-06 | Process for producing a decomposable thin-walled molded article based on starch |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0733014B1 (en) |
| JP (1) | JP2936011B2 (en) |
| KR (1) | KR100376000B1 (en) |
| AT (1) | ATE168087T1 (en) |
| AU (1) | AU692808B2 (en) |
| CA (1) | CA2178337A1 (en) |
| DE (1) | DE59406428D1 (en) |
| WO (1) | WO1995015894A2 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19513808C2 (en) * | 1995-04-12 | 1998-05-28 | Natura Verpackungs Gmbh | Process for the production of woven or knitted webs for the production of biodegradable sacks, bags, nets or the like. |
| CN1153518C (en) * | 1995-06-14 | 2004-06-16 | 弗朗兹哈斯华夫饼干机械工业股份公司 | Method for producing degradable thin-walled moldings |
| NL1006079C2 (en) * | 1997-05-16 | 1998-11-17 | Inst Voor Agrotech Onderzoek | Biodegradable foam moldings of thermoplastic starch. |
| CN1186038A (en) * | 1998-01-09 | 1998-07-01 | 李运吉 | Disposable food packing container |
| KR100279345B1 (en) * | 1998-11-25 | 2001-01-15 | 노영철 | Resin composition for manufacturing lunch box containers |
| DE19860360C1 (en) * | 1998-12-24 | 2000-08-03 | Apack Ag Bio Verpackung | Process for producing a shaped body from biodegradable material, shaped body and use |
| DE10000774A1 (en) * | 2000-01-11 | 2001-07-19 | Apack Ag Bio Verpackungen | Composition for the production of biodegradable moldings and method for producing such a composition |
| CN1151206C (en) * | 2001-06-06 | 2004-05-26 | 集伍顾问（苏州）有限公司 | All degraded material and method for making disposable products by utilizing said material |
| KR20030052172A (en) * | 2001-12-20 | 2003-06-26 | 강희승 | Heat-Resistive Bio-Dissolution materials Using starch, Manufacturing Method Thereof, Manufacturing Device Thereof And Disposal Container |
| KR20050017586A (en) * | 2003-08-14 | 2005-02-22 | (주)지앤씨코리아 | Additive composition for hastening decomposition of plastics |
| WO2009156855A2 (en) * | 2008-06-27 | 2009-12-30 | Gavin Reay | Biodegradable article with embedded seed |
| DE102016113423A1 (en) * | 2016-07-20 | 2018-01-25 | Technische Universität Darmstadt | Moldable fibrous material for the production of molded parts |
| AT521488B1 (en) * | 2018-07-17 | 2020-02-15 | Josef Haas | Basic body for a beverage portion capsule |
| PL247074B1 (en) * | 2020-02-25 | 2025-05-05 | Szkola Glowna Gospodarstwa Wiejskiego W Warszawie | Biodegradable material for forming disposable tableware and packaging and method of obtaining this material |
| DE102023002240A1 (en) | 2023-06-02 | 2024-12-05 | Koch Verwaltung e.K. | Germ-free renewable binder and thickener |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133784A (en) * | 1977-09-28 | 1979-01-09 | The United States Of America As Represented By The Secretary Of Agriculture | Biodegradable film compositions prepared from starch and copolymers of ethylene and acrylic acid |
| WO1993019125A1 (en) * | 1992-03-20 | 1993-09-30 | Iowa State University Research Foundation, Inc. | Water-resistant starch-protein thermoplastics |
| US5320669A (en) * | 1992-12-14 | 1994-06-14 | Iowa State University Research Foundation, Inc. | Cereal grain-based biodegradable thermoplastic compositions |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU630138B2 (en) * | 1988-12-30 | 1992-10-22 | Brunob Ii B.V. | Biodegradable shaped products and the method of preparation thereof |
| NL9300102A (en) * | 1993-01-19 | 1994-08-16 | Avebe Coop Verkoop Prod | A method of manufacturing moldings based on a starch product, and a powder mixture which can be used therein. |
-
1994
- 1994-12-06 AU AU10580/95A patent/AU692808B2/en not_active Ceased
- 1994-12-06 DE DE59406428T patent/DE59406428D1/en not_active Expired - Fee Related
- 1994-12-06 AT AT95901269T patent/ATE168087T1/en active
- 1994-12-06 WO PCT/AT1994/000189 patent/WO1995015894A2/en not_active Ceased
- 1994-12-06 EP EP95901269A patent/EP0733014B1/en not_active Expired - Lifetime
- 1994-12-06 JP JP51582695A patent/JP2936011B2/en not_active Expired - Fee Related
- 1994-12-06 KR KR1019960702958A patent/KR100376000B1/en not_active Expired - Fee Related
- 1994-12-06 CA CA 2178337 patent/CA2178337A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133784A (en) * | 1977-09-28 | 1979-01-09 | The United States Of America As Represented By The Secretary Of Agriculture | Biodegradable film compositions prepared from starch and copolymers of ethylene and acrylic acid |
| WO1993019125A1 (en) * | 1992-03-20 | 1993-09-30 | Iowa State University Research Foundation, Inc. | Water-resistant starch-protein thermoplastics |
| US5320669A (en) * | 1992-12-14 | 1994-06-14 | Iowa State University Research Foundation, Inc. | Cereal grain-based biodegradable thermoplastic compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1995015894A2 (en) | 1995-06-15 |
| KR100376000B1 (en) | 2003-08-14 |
| ATE168087T1 (en) | 1998-07-15 |
| KR960706436A (en) | 1996-12-09 |
| WO1995015894A3 (en) | 1996-09-19 |
| EP0733014A1 (en) | 1996-09-25 |
| DE59406428D1 (en) | 1998-08-13 |
| AU1058095A (en) | 1995-06-27 |
| JP2936011B2 (en) | 1999-08-23 |
| JPH09501467A (en) | 1997-02-10 |
| CA2178337A1 (en) | 1995-06-15 |
| EP0733014B1 (en) | 1998-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |