WO1986000501A1 - Materiaux de barriere de film preforme comestible - Google Patents
Materiaux de barriere de film preforme comestible Download PDFInfo
- Publication number
- WO1986000501A1 WO1986000501A1 PCT/US1985/001293 US8501293W WO8600501A1 WO 1986000501 A1 WO1986000501 A1 WO 1986000501A1 US 8501293 W US8501293 W US 8501293W WO 8600501 A1 WO8600501 A1 WO 8600501A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hydrophilic polymer
- group
- cellulose
- film
- lipid
- 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
Links
Classifications
-
- 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
-
- 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
- A21D13/20—Partially or completely coated products
- A21D13/26—Partially or completely coated products the coating forming a barrier against migration
-
- 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
- A21D13/40—Products characterised by the type, form or use
- A21D13/41—Pizzas
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B4/00—Preservation of meat, sausages, fish or fish products
- A23B4/10—Coating with a protective layer; Compositions or apparatus therefor
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
- A23G3/34—Sweetmeats, confectionery or marzipan; Processes for the preparation thereof
- A23G3/343—Products for covering, coating, finishing, decorating
-
- 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
- A23P20/10—Coating with edible coatings, e.g. with oils or fats
- A23P20/105—Coating with compositions containing vegetable or microbial fermentation gums, e.g. cellulose or derivatives; Coating with edible polymers, e.g. polyvinyalcohol
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G2200/00—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF containing organic compounds, e.g. synthetic flavouring agents
Definitions
- the present invention relates to edible pre-formed film barrier materials and methods to make edible film barrier materials which films can be used to stabilize vapor pressure gradients existing between individual components of a multicomponent food product separated by the edible film.
- Deleterious changes in the quality of food products can occur with inadvertent alteration of the moisture content of the food product.
- the driving force for moisture transfer in food pro-ducts is primarily due to moisture partial pressure gradients existing between the food product and the environment and/or between components of a multicomponent food product.
- the partial pressures involved can be expressed in terms of water activity, a which equals the partial pressure of water vapor exerted by the food material divided by the vapor pressure of pure water at the same temperature.
- Prevention of. moisture transfer between the food product and the environment can be accomplished by using a moisture impermeable packaging material, either edible or inedible. Prevention of moisture exchange among individual components of a multicomponent food product is more difficult.
- Edible food coatings have been used to retard moisture transfer within foods.
- sucn coatings to maintain vapor pressure gradients among components for extended periods has not been proven.
- the prior art is generally cognizant of the use of carbohydrate, protein, and lipid coatings to retard moisture transfer in foods.
- Lipids include hydrophobic compounds such as fats, oils, and waxes, and are especially effective in retarding moisture transfer in foods.
- lipids such as waxes were applied to food products, the coatings were not continuous, but contained pinholes and cracks wnich provided routes for moisture transfer.
- Carbohydrate compounds are capable of forming continuous coatings, but these compounds are generally hydrophilic and hence less effective in retarding moisture transfer in foods. Therefore, in the past, lipids have been used in conjunction with carbo.hy rates in order to form a continuous coating to prevent moisture transfer in foods.
- One hundred milliliters of the film-forming solution was added to the TLC spreader and plated onto three 8 inch by 8 inch glass TLC plates at a thickness of 0.75 millimeters.
- the coated plates were then dried in an oven at approximately 90°C for 15 minutes, at which time a cohesive edible barrier film formed. After drying, the plates were cooled and the films were peeled from the plates.
- the films had an average thickness of 0.04 millimeters, and an average stearic acid concentration of 0.8 milligrams stearic acid per square centimeter of hydroxypropyl methyl cellulose layer.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Biotechnology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- General Preparation And Processing Of Foods (AREA)
- Jellies, Jams, And Syrups (AREA)
- Formation And Processing Of Food Products (AREA)
- Grain Derivatives (AREA)
Abstract
Un film préformé comestible pour retarder le transfert de l'humidité parmi des composants de nourriture présentant différentes pressions de vapeur comporte une couche polymère hydrophile et une couche de lipide ayant adhéré à la couche polymère hydrophile, si bien que l'épaisseur du film est de l'ordre de 0,035 à 0,150 millimètre. La couche de lipide présente une concentration d'au moins approximativement 0,8 milligramme de lipide par centimètre carré de couche polymère hydrophile. La surface exposée de la couche de lipide est orientée en direction du composant de nourriture à pression de vapeur supérieure; ainsi, lorsque le film est placé entre des composants de nourriture de différentes pressions de vapeur, il peut conserver le gradient de pression de vapeur existant pour des laps de temps substantiels, ce qui retarde le transfert de l'humidité parmi les composants de nourriture.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62872384A | 1984-07-09 | 1984-07-09 | |
| US628,723 | 1984-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1986000501A1 true WO1986000501A1 (fr) | 1986-01-30 |
Family
ID=24520043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1985/001293 Ceased WO1986000501A1 (fr) | 1984-07-09 | 1985-07-05 | Materiaux de barriere de film preforme comestible |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0188553A1 (fr) |
| JP (1) | JPS61502794A (fr) |
| AU (1) | AU4604385A (fr) |
| CA (1) | CA1267806A (fr) |
| WO (1) | WO1986000501A1 (fr) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900573A (en) * | 1988-06-17 | 1990-02-13 | The Dow Chemical Company | Method of inhibiting oil adsorption in coated fried foods using hydroxypropyl methyl cellulose |
| FR2655818A1 (fr) * | 1989-12-19 | 1991-06-21 | Soussana | Procede de fleurage des saucissons secs en sortie de sechoir, et liquide de fleurage pour la mise en óoeuvre du procede. |
| WO1992001394A1 (fr) * | 1990-07-25 | 1992-02-06 | Devro Limited | Pellicule de protection contre l'humidite |
| US5130151A (en) * | 1990-12-26 | 1992-07-14 | Megafoods, Inc. | Natural and synthetic edible moisture barrier |
| US5130150A (en) * | 1990-12-26 | 1992-07-14 | Megafoods, Inc. | Edible moisture barrier |
| GB2262245A (en) * | 1990-07-25 | 1993-06-16 | Devro Ltd | Moisture barrier film |
| US5248512A (en) * | 1989-04-21 | 1993-09-28 | Nestec S.A. | Process for preparing a multi-component food product including a protective barrier |
| WO1993020710A1 (fr) | 1992-04-21 | 1993-10-28 | Wm. Wrigley Jr. Company | Utilisation d'un film comestible pour prolonger la duree de conservation d'un chewing-gum |
| WO1994013160A1 (fr) * | 1992-12-16 | 1994-06-23 | Pfizer Inc. | Composition d'enrobage d'aliments, contenant un constituant hydrohobe et filmogene |
| US5401518A (en) * | 1990-07-10 | 1995-03-28 | Nestec S.A. | Food coating composition and a process of preparing a food composition using same |
| US5403600A (en) * | 1992-06-30 | 1995-04-04 | Nestec S.A. | Food fluid retention system |
| US5411887A (en) * | 1991-04-05 | 1995-05-02 | Collagen Casing Einar Sjolander Ab | Method for the production of collagen: collagen produced through the method and use of collagen |
| US5540944A (en) * | 1994-09-30 | 1996-07-30 | Nestec S.A. | Process of preparing a film-coated meat product |
| WO1998049910A1 (fr) * | 1997-05-01 | 1998-11-12 | Instituut Voor Agrotechnologisch Onderzoek (Ato-Dlo) | Substance encapsulee a liberation regulee |
| EP0988801A4 (fr) * | 1996-10-04 | 2000-04-19 | Showa Sangyo Co | Agent de gla age pour aliments possedant une excellente aptitude au revetement |
| US6869628B2 (en) * | 2001-06-11 | 2005-03-22 | The Regents Of The University Of California | Methods and formulations for providing gloss coatings to foods and for protecting nuts from rancidity |
| DE102007030732A1 (de) * | 2007-07-02 | 2009-01-08 | Roth, Erika | Folie, die Aufschnitt und Brötchen vor Aufweichung schützt |
| US7981453B2 (en) | 2004-12-29 | 2011-07-19 | Kraft Foods Global Brands Llc | Delivery system for low calorie bulking agents |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU644463B2 (en) * | 1990-07-25 | 1993-12-09 | Devro Limited | Moisture barrier film |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2721142A (en) * | 1953-11-04 | 1955-10-18 | Armour & Co | Meat-coating composition and method |
| US2836498A (en) * | 1956-10-29 | 1958-05-27 | Phillsbury Mills Inc | Dried pie product and method of producing the same |
| US2909435A (en) * | 1958-02-24 | 1959-10-20 | Glenn G Watters | Coating of raisins and other foods |
| US3031309A (en) * | 1960-11-04 | 1962-04-24 | Interstate Bakeries Corp | Oven fresh cake and method of making the same |
| US3323922A (en) * | 1965-08-09 | 1967-06-06 | Pillsbury Co | Protective coatings |
| US3388085A (en) * | 1965-08-10 | 1968-06-11 | Witco Chemical Corp | Food coating compositions comprising ethylene-vinyl acetate copolymer and acetylated monoglyceride |
| US3471303A (en) * | 1966-03-07 | 1969-10-07 | Archer Daniels Midland Co | Edible coating compositions and method for coating food |
| US3471304A (en) * | 1966-03-07 | 1969-10-07 | Archer Daniels Midland Co | Edible coating compositions |
| US3526515A (en) * | 1966-12-21 | 1970-09-01 | Maryland Cup Corp | Method of waterproofing baked goods |
| US3615647A (en) * | 1968-03-27 | 1971-10-26 | Perk Foods Co | Expanded fat-coated animal food having a coherent coating |
| FR2087185A5 (en) * | 1970-05-08 | 1971-12-31 | Rousselot Kuhlmann | Edible wrappings - based on gelatine for use with food stuffs |
| US3667963A (en) * | 1969-12-17 | 1972-06-06 | Raymond G Katter | Method of making pizza |
| US3778515A (en) * | 1970-12-17 | 1973-12-11 | J Ashley | Low pollution food unit |
| US3830944A (en) * | 1972-04-13 | 1974-08-20 | G Dimitriadis | Sandwich package |
| US3997674A (en) * | 1975-02-25 | 1976-12-14 | Tsukihoshi Kasei Kabushiki Kaisha | Preservation of agricultural products |
| US4066796A (en) * | 1976-04-16 | 1978-01-03 | Food Research, Inc. | Coating pizza products |
| US4293572A (en) * | 1978-02-28 | 1981-10-06 | International Telephone And Telegraph Corporation | Process for applying a moisture barrier coating to baked and fried food products |
| GB2105168A (en) * | 1981-09-09 | 1983-03-23 | Alan Holt | Laminated meat product and method of making same |
| US4401681A (en) * | 1981-09-22 | 1983-08-30 | Campbell Soup Company | Two-phase food products with reduced inter-phase moisture transfer |
| US4416910A (en) * | 1975-03-10 | 1983-11-22 | Torahiko Hayashi | Method of continuously manufacturing multi-layered dough materials |
| US4513019A (en) * | 1983-07-06 | 1985-04-23 | Seppic | Film-forming compositions for enveloping solid forms, particularly pharmaceutical or food products or seeds, and products obtained, coated with said compositions |
| US4515819A (en) * | 1980-01-16 | 1985-05-07 | Height Inc. | Process of making encrusted bakery products |
| JPH05191359A (ja) * | 1992-01-09 | 1993-07-30 | Fujitsu Ltd | 光増幅中継器および光通信システム |
| JPH05212943A (ja) * | 1992-02-05 | 1993-08-24 | Ricoh Co Ltd | 機器の動作確認装置 |
| JPH05334939A (ja) * | 1992-12-22 | 1993-12-17 | Fujikura Ltd | キーボード用配線板の接点形成方法 |
-
1985
- 1985-07-05 JP JP60503106A patent/JPS61502794A/ja active Pending
- 1985-07-05 WO PCT/US1985/001293 patent/WO1986000501A1/fr not_active Ceased
- 1985-07-05 AU AU46043/85A patent/AU4604385A/en not_active Abandoned
- 1985-07-05 EP EP85903617A patent/EP0188553A1/fr not_active Withdrawn
- 1985-07-08 CA CA000486438A patent/CA1267806A/fr not_active Expired
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2721142A (en) * | 1953-11-04 | 1955-10-18 | Armour & Co | Meat-coating composition and method |
| US2836498A (en) * | 1956-10-29 | 1958-05-27 | Phillsbury Mills Inc | Dried pie product and method of producing the same |
| US2909435A (en) * | 1958-02-24 | 1959-10-20 | Glenn G Watters | Coating of raisins and other foods |
| US3031309A (en) * | 1960-11-04 | 1962-04-24 | Interstate Bakeries Corp | Oven fresh cake and method of making the same |
| US3323922A (en) * | 1965-08-09 | 1967-06-06 | Pillsbury Co | Protective coatings |
| US3388085A (en) * | 1965-08-10 | 1968-06-11 | Witco Chemical Corp | Food coating compositions comprising ethylene-vinyl acetate copolymer and acetylated monoglyceride |
| US3471303A (en) * | 1966-03-07 | 1969-10-07 | Archer Daniels Midland Co | Edible coating compositions and method for coating food |
| US3471304A (en) * | 1966-03-07 | 1969-10-07 | Archer Daniels Midland Co | Edible coating compositions |
| US3526515A (en) * | 1966-12-21 | 1970-09-01 | Maryland Cup Corp | Method of waterproofing baked goods |
| US3615647A (en) * | 1968-03-27 | 1971-10-26 | Perk Foods Co | Expanded fat-coated animal food having a coherent coating |
| US3667963A (en) * | 1969-12-17 | 1972-06-06 | Raymond G Katter | Method of making pizza |
| FR2087185A5 (en) * | 1970-05-08 | 1971-12-31 | Rousselot Kuhlmann | Edible wrappings - based on gelatine for use with food stuffs |
| US3778515A (en) * | 1970-12-17 | 1973-12-11 | J Ashley | Low pollution food unit |
| US3830944A (en) * | 1972-04-13 | 1974-08-20 | G Dimitriadis | Sandwich package |
| US3997674A (en) * | 1975-02-25 | 1976-12-14 | Tsukihoshi Kasei Kabushiki Kaisha | Preservation of agricultural products |
| US4416910A (en) * | 1975-03-10 | 1983-11-22 | Torahiko Hayashi | Method of continuously manufacturing multi-layered dough materials |
| US4066796A (en) * | 1976-04-16 | 1978-01-03 | Food Research, Inc. | Coating pizza products |
| US4293572A (en) * | 1978-02-28 | 1981-10-06 | International Telephone And Telegraph Corporation | Process for applying a moisture barrier coating to baked and fried food products |
| US4515819A (en) * | 1980-01-16 | 1985-05-07 | Height Inc. | Process of making encrusted bakery products |
| GB2105168A (en) * | 1981-09-09 | 1983-03-23 | Alan Holt | Laminated meat product and method of making same |
| US4401681A (en) * | 1981-09-22 | 1983-08-30 | Campbell Soup Company | Two-phase food products with reduced inter-phase moisture transfer |
| US4513019A (en) * | 1983-07-06 | 1985-04-23 | Seppic | Film-forming compositions for enveloping solid forms, particularly pharmaceutical or food products or seeds, and products obtained, coated with said compositions |
| JPH05191359A (ja) * | 1992-01-09 | 1993-07-30 | Fujitsu Ltd | 光増幅中継器および光通信システム |
| JPH05212943A (ja) * | 1992-02-05 | 1993-08-24 | Ricoh Co Ltd | 機器の動作確認装置 |
| JPH05334939A (ja) * | 1992-12-22 | 1993-12-17 | Fujikura Ltd | キーボード用配線板の接点形成方法 |
Non-Patent Citations (4)
| Title |
|---|
| Cereal Science Today, published October 1965, Volume 10, Number 9, pages 508 and 510. * |
| Industrial and Engineering Chemistry, published April 1951, pages 911-919. * |
| Industrial and Engineering Chemistry, published October 1945, pages 943-947 * |
| Modern Packaging, published September 1948, pages 157 and 158. * |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900573A (en) * | 1988-06-17 | 1990-02-13 | The Dow Chemical Company | Method of inhibiting oil adsorption in coated fried foods using hydroxypropyl methyl cellulose |
| US5248512A (en) * | 1989-04-21 | 1993-09-28 | Nestec S.A. | Process for preparing a multi-component food product including a protective barrier |
| FR2655818A1 (fr) * | 1989-12-19 | 1991-06-21 | Soussana | Procede de fleurage des saucissons secs en sortie de sechoir, et liquide de fleurage pour la mise en óoeuvre du procede. |
| US5401518A (en) * | 1990-07-10 | 1995-03-28 | Nestec S.A. | Food coating composition and a process of preparing a food composition using same |
| GB2262245B (en) * | 1990-07-25 | 1994-03-30 | Devro Ltd | Moisture barrier film |
| GB2262245A (en) * | 1990-07-25 | 1993-06-16 | Devro Ltd | Moisture barrier film |
| WO1992001394A1 (fr) * | 1990-07-25 | 1992-02-06 | Devro Limited | Pellicule de protection contre l'humidite |
| US5130150A (en) * | 1990-12-26 | 1992-07-14 | Megafoods, Inc. | Edible moisture barrier |
| US5130151A (en) * | 1990-12-26 | 1992-07-14 | Megafoods, Inc. | Natural and synthetic edible moisture barrier |
| US5411887A (en) * | 1991-04-05 | 1995-05-02 | Collagen Casing Einar Sjolander Ab | Method for the production of collagen: collagen produced through the method and use of collagen |
| WO1993020710A1 (fr) | 1992-04-21 | 1993-10-28 | Wm. Wrigley Jr. Company | Utilisation d'un film comestible pour prolonger la duree de conservation d'un chewing-gum |
| US5286502A (en) * | 1992-04-21 | 1994-02-15 | Wm. Wrigley Jr. Company | Use of edible film to prolong chewing gum shelf life |
| US5433960A (en) * | 1992-04-21 | 1995-07-18 | Wm. Wrigley Jr. Company | Chewing gum including agent containing edible film |
| US5409715A (en) * | 1992-04-21 | 1995-04-25 | Wm. Wrigley Jr. Company | Use of edible film to prolong chewing gum shelf life |
| US5403600A (en) * | 1992-06-30 | 1995-04-04 | Nestec S.A. | Food fluid retention system |
| US5567453A (en) * | 1992-06-30 | 1996-10-22 | Nestec S.A. | Process of coating foods with a system for fluid retention and product thereof |
| WO1994013160A1 (fr) * | 1992-12-16 | 1994-06-23 | Pfizer Inc. | Composition d'enrobage d'aliments, contenant un constituant hydrohobe et filmogene |
| US5540944A (en) * | 1994-09-30 | 1996-07-30 | Nestec S.A. | Process of preparing a film-coated meat product |
| US5702741A (en) * | 1994-09-30 | 1997-12-30 | Nestec S.A. | Granular particulate food composition and method of making |
| EP0988801A4 (fr) * | 1996-10-04 | 2000-04-19 | Showa Sangyo Co | Agent de gla age pour aliments possedant une excellente aptitude au revetement |
| WO1998049910A1 (fr) * | 1997-05-01 | 1998-11-12 | Instituut Voor Agrotechnologisch Onderzoek (Ato-Dlo) | Substance encapsulee a liberation regulee |
| US6290988B1 (en) | 1997-05-01 | 2001-09-18 | Instituut Voor Agrotechnologisch Onderzoek (Ato-Dlo) | Encapsulated material with controlled release |
| US6869628B2 (en) * | 2001-06-11 | 2005-03-22 | The Regents Of The University Of California | Methods and formulations for providing gloss coatings to foods and for protecting nuts from rancidity |
| US7981453B2 (en) | 2004-12-29 | 2011-07-19 | Kraft Foods Global Brands Llc | Delivery system for low calorie bulking agents |
| US8216621B2 (en) | 2004-12-29 | 2012-07-10 | Kraft Foods Global Brands Llc | Delivery system for low calorie bulking agents |
| DE102007030732A1 (de) * | 2007-07-02 | 2009-01-08 | Roth, Erika | Folie, die Aufschnitt und Brötchen vor Aufweichung schützt |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0188553A1 (fr) | 1986-07-30 |
| JPS61502794A (ja) | 1986-12-04 |
| CA1267806A (fr) | 1990-04-17 |
| AU4604385A (en) | 1986-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Designated state(s): AU DE GB JP NL |
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