EP0342571B1 - Foil cover for food troy - Google Patents
Foil cover for food troy Download PDFInfo
- Publication number
- EP0342571B1 EP0342571B1 EP89108710A EP89108710A EP0342571B1 EP 0342571 B1 EP0342571 B1 EP 0342571B1 EP 89108710 A EP89108710 A EP 89108710A EP 89108710 A EP89108710 A EP 89108710A EP 0342571 B1 EP0342571 B1 EP 0342571B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal
- covering film
- printing ink
- foil cover
- covering
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
- B65D81/3446—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
- B65D81/3453—Rigid containers, e.g. trays, bottles, boxes, cups
-
- 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
- B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
- B65D2581/3437—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within specially adapted to be heated by microwaves
- B65D2581/3463—Means for applying microwave reactive material to the package
- B65D2581/3464—Microwave reactive material applied by ink printing
-
- 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
- B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
- B65D2581/3437—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within specially adapted to be heated by microwaves
- B65D2581/3471—Microwave reactive substances present in the packaging material
- B65D2581/3472—Aluminium or compounds thereof
-
- 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
- B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
- B65D2581/3437—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within specially adapted to be heated by microwaves
- B65D2581/3486—Dielectric characteristics of microwave reactive packaging
- B65D2581/3489—Microwave reflector, i.e. microwave shield
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1355—Elemental metal containing [e.g., substrate, foil, film, coating, etc.]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1397—Single layer [continuous layer]
Definitions
- the invention relates to a cover film for a multi-zone menu tray for ready meals, the content of which is to be heated in the closed state by irradiated microwave energy and which contains a metal layer applied in the printing process, which opposes the microwave energy.
- a menu tray is already known from EP-A-0206811, the cover part of which is provided with sections of aluminum foil of different sizes, by means of which the microwaves are shielded at these points. This makes it possible to apply different foods to microwaves in such a way that they become cooked at the same time. This is very cheap, but the attachment of the aluminum foil sections is very difficult and expensive.
- JP-A-54133999 A similar embodiment is also known from JP-A-54133999, in which a cover metal foil is provided with windows through which the microwave energy can penetrate the container unhindered, while it is otherwise retained by the metal foil.
- the invention is based on the object of equipping a cover film for menu trays so that different energy rates can be effective in the components or zones to be heated.
- the cover film is at least partially coated with printing ink, the color layer containing metals and / or metal compounds which are applied in different concentrations with the printing ink in accordance with the intended heating of the individual zones.
- a Heusler alloy is provided as the metal or metal compound, which changes its permeability to microwave radiation as a function of the temperature.
- the Heusler alloy has a ferromagnetism which affects the permeability of the microwaves in different ways when the temperature changes. This property is advantageously used in the context of the invention in order to be able to cook products with different energy requirements at the same time.
- metals or metal compounds are used in grinding form.
- Metals in cut form have a much better effect on microwaves than in powder form.
- FIG. 1 in FIG. 1 denotes a round menu shell, which is provided on its outer edge with a sealing edge 7, onto which a cover film 8 is sealed.
- This cover film is printed in a manner not shown, aluminum sections being contained in the printing ink in sections 9, 10 and 11. Section 9 contains about twice as much aluminum as in the other two sections.
- a rectangular menu tray 12 is shown, which is divided into two chambers 14, 15 and 16 by two inner webs 13.
- the chambers are closed by a cover film 18, which is sealed not only on the sealing edge 17 of the menu tray 12, but also on the inner webs 13 drawn to the same height.
- the cover film is again coated with printing ink containing ground aluminum. Depending on the contents contained in the chambers, these sections contain different quantities or a different distribution of ground aluminum.
- the printing of aluminum and / or other zones can also be optically covered by additional printing inks.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Package Specialized In Special Use (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
- Packages (AREA)
- Cookers (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Liquid Crystal (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- General Preparation And Processing Of Foods (AREA)
- Table Devices Or Equipment (AREA)
Abstract
Description
Die Erfindung betrifft eine Abdeckfolie für eine mit mehreren Zonen ausgerüstete Menüschale für Fertiggerichte, deren Inhalt im geschlossenen Zustand durch eingestrahlte Mikrowellenenergie erwärmt werden soll und die eine im Druckverfahren aufgebrachte Metallschicht enthält, welche der Mikrowellenenergie einen Widerstand entgegensetzt.The invention relates to a cover film for a multi-zone menu tray for ready meals, the content of which is to be heated in the closed state by irradiated microwave energy and which contains a metal layer applied in the printing process, which opposes the microwave energy.
Aus der EP-A-0206811 ist bereits eine Menüschale bekannt, deren Deckelteil mit unterschiedlich großen Aluminium-Folien-Abschnitten versehen ist, durch welche die Mikrowellen an diesen Stellen abgeschirmt werden. Dadurch ist es möglich, unterschiedliche Nahrungsmittel so mit Mikrowellen zu beaufschlagen, daß sie gleichzeitig gar werden. Dies ist sehr günstig, jedoch ist das Anbringen der Aluminium-Folien-Abschnitte sehr schwierig und aufwendig.A menu tray is already known from EP-A-0206811, the cover part of which is provided with sections of aluminum foil of different sizes, by means of which the microwaves are shielded at these points. This makes it possible to apply different foods to microwaves in such a way that they become cooked at the same time. This is very cheap, but the attachment of the aluminum foil sections is very difficult and expensive.
Eine ähnliche Ausgestaltung ist auch aus der JP-A-54133999 bekannt, bei der eine Abdeck-Metallfolie mit Fenstern versehen ist, durch welche die Mikrowellenenergie ungehindert in den Behälter eindringen kann, während sie im übrigen durch die Metallfolie zurückgehalten wird.A similar embodiment is also known from JP-A-54133999, in which a cover metal foil is provided with windows through which the microwave energy can penetrate the container unhindered, while it is otherwise retained by the metal foil.
Aus der GB-A-1110776 ist es darüber hinaus bekannt, die obere Wand eines Nahrungsmittel-Behälters mit einer Metallbeschichtung zu versehen, um diese für Mikrowellen undurchlässig zu machen.From GB-A-1110776 it is also known to provide the top wall of a food container with a metal coating in order to make it impervious to microwaves.
Alle diese Ausgestaltungen lassen die Mikrowellen entweder ungehindert durch oder blockieren diese vollständig.All of these configurations either let the microwaves through unhindered or block them completely.
Der Erfindung liegt dagegen die Aufgabe zugrunde, eine Abdeckfolie für Menüschalen so auszurüsten, daß unterschiedliche Energieraten in den zu erwärmenden Komponenten bzw. Zonen wirksam werden können.The invention is based on the object of equipping a cover film for menu trays so that different energy rates can be effective in the components or zones to be heated.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Abdeckfolie mindestens teilweise mit Druckfarbe beschichtet ist, wobei die Farbschicht Metalle und/oder Metallverbindungen enthält, die entsprechend der vorgesehenen Erwärmung der einzelnen Zonen in unterschiedlicher Konzentration mit der Druckfarbe aufgetragen sind.This object is achieved in that the cover film is at least partially coated with printing ink, the color layer containing metals and / or metal compounds which are applied in different concentrations with the printing ink in accordance with the intended heating of the individual zones.
Dabei ist es nicht nur möglich, die einzelnen Zonen mit dem Metall mehroderwenigerabzudecken, sondern auch durch das Aufbringen von mehr oder weniger Metall die Durchlässigkeit für Mikrowellen zu steuern. Sowohl das Aufbringen selbst als auch die unterschiedliche Verteilung ist dabei durch die Anwendung des Druckverfahrens sehr einfach.It is not only possible to cover the individual zones with the metal more or less, but also to control the permeability to microwaves by applying more or less metal. Both the application itself and the different distribution is very simple through the use of the printing process.
Sehr vorteilhaft ist es auch, wenn als Metall Aluminium vorgesehen ist.It is also very advantageous if aluminum is provided as the metal.
Eine weitere vorteilhafte Ausgestaltung der Erfindung liegt darin, daß als Metall bzw. Metallverbindung eine Heuslersche Legierung vorgesehen ist, die in Abhängigkeit von der Temperatur ihre Durchlässigkeit für Mikrowellenstrahlung verändert.Another advantageous embodiment of the invention is that a Heusler alloy is provided as the metal or metal compound, which changes its permeability to microwave radiation as a function of the temperature.
Es ist bekannt, daß die Heuslersche Legierung einen Ferromagnetismus aufweist, der sich bei verändernden Temperaturen in unterschiedlicher Weise auf die Durchlässigkeit der Mikrowellen auswirkt. Diese Eigenschaft wird im Rahmen der Erfindung in vorteilhafter Weise ausgenutzt, um Füllgüter mit unterschiedlichem Energiebedarf gleichzeitig garen zu können.It is known that the Heusler alloy has a ferromagnetism which affects the permeability of the microwaves in different ways when the temperature changes. This property is advantageously used in the context of the invention in order to be able to cook products with different energy requirements at the same time.
Ebenfalls sehr vorteilhaft ist es, wenn die Metalle bzw. Metallverbindungen in Schlifform verwendet sind.It is also very advantageous if the metals or metal compounds are used in grinding form.
Metalle in Schlifform haben auf Mikrowellen eine wesentlich bessere Wirkung als in Pulverform.Metals in cut form have a much better effect on microwaves than in powder form.
In der Zeichnung ist die Erfindung anhand zweier Ausführungsbeispiele veranschaulicht. Dabei zeigen :
- Fig. 1 ein Schaubild einer runden Menüschale, die durch eine aufgesiegelte Abdeckfolie verschlossen ist, und
- Fig. 2 ein Schaubild einer weiteren Menüschale, die mit drei Kammern ausgerüstet ist.
- Fig. 1 is a diagram of a round menu tray, which is closed by a sealed cover, and
- Fig. 2 is a diagram of another menu tray, which is equipped with three chambers.
Mit 1 ist in Fig. 1 eine runde Menüschale bezeichnet, die an ihrer Außenkante mit einem Siegelrand 7 versehen ist, auf den eine Abdeckfolie 8 aufgesiegelt ist. Diese Abdeckfolie ist in nicht näher dargestellter Weise bedruckt, wobei in den Abschnitten 9, 10 und 11 Aluminium-Schliff in der Druckfarbe enthalten ist. Im Abschnitt 9 ist dabei etwa doppelt so viel Aluminium enthalten wie in den beiden anderen Abschnitten.1 in FIG. 1 denotes a round menu shell, which is provided on its outer edge with a sealing edge 7, onto which a
In Fig. 2 ist eine rechteckige Menüschale 12 dargestellt, die durch zwei Innenstege 13 in drei Kammern 14, 15 und 16 unterteilt ist. Die Kammern sind durch eine Abdeckfolie 18 verschlossen, die nicht nur am Siegelrand 17 der Menüschale 12, sondern auch an den in die gleiche Höhe gezogenen Innenstegen 13 angesiegelt ist. In den Abschnitten 19, 20 und 21 ist die Abdeckfolie wieder mit Aluminium-Schliff enthaltender Druckfarbe beschichtet. Dabei enthalten diese Abschnitte je nach dem in den Kammern enthaltenen Füllgut unterschiedliche Mengen bzw. eine unterschiedliche Verteilung an Aluminium-Schliff.In Fig. 2, a
Durch weitere Druckfarben kann noch eine optische Abdeckung des Aluminiums und/oder anderer Zonen erfolgen.The printing of aluminum and / or other zones can also be optically covered by additional printing inks.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89108710T ATE71910T1 (en) | 1988-05-20 | 1989-05-16 | COVER FILM FOR MENU TRAY. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3817275A DE3817275A1 (en) | 1988-05-20 | 1988-05-20 | COVER FILM FOR MENU BOWL |
DE3817275 | 1988-05-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0342571A1 EP0342571A1 (en) | 1989-11-23 |
EP0342571B1 true EP0342571B1 (en) | 1992-01-22 |
EP0342571B2 EP0342571B2 (en) | 1994-08-03 |
Family
ID=6354823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89108710A Expired - Lifetime EP0342571B2 (en) | 1988-05-20 | 1989-05-16 | Foil cover for food troy |
Country Status (10)
Country | Link |
---|---|
US (1) | US4973502A (en) |
EP (1) | EP0342571B2 (en) |
JP (1) | JPH0232979A (en) |
AT (1) | ATE71910T1 (en) |
DE (2) | DE3817275A1 (en) |
DK (1) | DK170837B1 (en) |
ES (1) | ES2033486T5 (en) |
GR (1) | GR3004275T3 (en) |
NO (1) | NO176956C (en) |
PT (2) | PT90617A (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5876811A (en) * | 1990-11-27 | 1999-03-02 | Blackwell; Tommie R. | Microwavable single-serving meal container |
ATE127762T1 (en) * | 1990-12-21 | 1995-09-15 | Procter & Gamble | MICROWAVE SUSCEPTOR WITH A COATING OF SILICATE BINDER AND ACTIVE INGREDIENTS. |
US5126520A (en) * | 1991-03-25 | 1992-06-30 | G & S Metal Products Company, Inc. | Shielded cover for a microwave container |
US5645300A (en) * | 1995-09-29 | 1997-07-08 | Moore Business Forms, Inc. | Vegetable label wrapper |
WO1998052446A1 (en) * | 1997-05-19 | 1998-11-26 | Commonwealth Scientific And Industrial Research Organisation | Microwave browning of vegetables |
NL1025282C2 (en) | 2004-01-19 | 2005-07-20 | Shieltronics B V | Method for producing container parts, container parts, method for producing a multi-layer film, multi-layer film. |
US8850964B2 (en) | 2005-10-20 | 2014-10-07 | Conagra Foods Rdm, Inc. | Cooking method and apparatus |
US8302528B2 (en) | 2005-10-20 | 2012-11-06 | Conagra Foods Rdm, Inc. | Cooking method and apparatus |
US9211030B2 (en) * | 2005-10-20 | 2015-12-15 | Conagra Foods Rdm, Inc. | Steam cooking apparatus |
US9132951B2 (en) | 2005-11-23 | 2015-09-15 | Conagra Foods Rdm, Inc. | Food tray |
CA2527770C (en) | 2005-11-21 | 2014-07-22 | Steven M. Parsons | Food tray |
US8866056B2 (en) | 2007-03-02 | 2014-10-21 | Conagra Foods Rdm, Inc. | Multi-component packaging system and apparatus |
US8497455B2 (en) * | 2009-03-11 | 2013-07-30 | Bemis Company, Inc. | Microwave cooking containers with shielding |
CA2785965C (en) | 2009-12-30 | 2014-05-06 | H.J. Heinz Company | Multi-temperature and multi-texture frozen food microwave heating tray |
USD717162S1 (en) | 2012-06-12 | 2014-11-11 | Conagra Foods Rdm, Inc. | Container |
US9027825B2 (en) | 2012-06-12 | 2015-05-12 | Conagra Foods Rdm, Inc. | Container assembly and foldable container system |
FR3020754A1 (en) * | 2014-05-06 | 2015-11-13 | Jean Jacques Grand | FROZEN OR FRESH MEAL TRAYS CAN BE DEFROSTED AND REHEATED IN A SINGLE PASS IN THE MICROWAVE OVEN SO THAT EACH ELEMENT OF THE MEAL IS AT THE RIGHT CONSUMPTION TEMPERATURE |
CN111148574B (en) | 2017-07-25 | 2023-04-21 | 麦格诺莫有限责任公司 | Method and composition for magnetizable plastics |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3079913A (en) * | 1960-10-27 | 1963-03-05 | Milprint Inc | Compartmented container arranged to simultaneously heat food in the various sections at differing heat rates |
NL6507743A (en) * | 1964-06-23 | 1965-12-24 | ||
DE1901864A1 (en) * | 1968-01-15 | 1969-09-11 | Tamboise Maurice Paul Jean Jos | A packaging container preferably deep dawn from metallic foil, especially aluminium foil, in the from of a tray divided by upward projecting ribs into a series |
US4230924A (en) * | 1978-10-12 | 1980-10-28 | General Mills, Inc. | Method and material for prepackaging food to achieve microwave browning |
US4656325A (en) * | 1984-02-15 | 1987-04-07 | Keefer Richard M | Microwave heating package and method |
CA1269313A (en) * | 1985-06-06 | 1990-05-22 | Donald E. Beckett | Formation of laminates |
CA1239999A (en) * | 1985-06-25 | 1988-08-02 | Richard M. Keefer | Microwave container and package comprising said container and a body of material to be heated, and method of making same |
US4676857A (en) * | 1986-01-17 | 1987-06-30 | Scharr Industries Inc. | Method of making microwave heating material |
-
1988
- 1988-05-20 DE DE3817275A patent/DE3817275A1/en active Granted
-
1989
- 1989-05-16 AT AT89108710T patent/ATE71910T1/en not_active IP Right Cessation
- 1989-05-16 ES ES89108710T patent/ES2033486T5/en not_active Expired - Lifetime
- 1989-05-16 EP EP89108710A patent/EP0342571B2/en not_active Expired - Lifetime
- 1989-05-16 DE DE8989108710T patent/DE58900750D1/en not_active Expired - Fee Related
- 1989-05-19 NO NO892014A patent/NO176956C/en not_active IP Right Cessation
- 1989-05-19 PT PT90617A patent/PT90617A/en active IP Right Grant
- 1989-05-19 DK DK245089A patent/DK170837B1/en not_active IP Right Cessation
- 1989-05-19 JP JP1124628A patent/JPH0232979A/en active Pending
- 1989-05-22 US US07/355,024 patent/US4973502A/en not_active Expired - Fee Related
-
1992
- 1992-04-06 GR GR920400630T patent/GR3004275T3/en unknown
-
1995
- 1995-10-13 PT PT9209U patent/PT9209U/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ATE71910T1 (en) | 1992-02-15 |
NO176956C (en) | 1995-07-05 |
DK170837B1 (en) | 1996-02-05 |
NO892014D0 (en) | 1989-05-19 |
EP0342571B2 (en) | 1994-08-03 |
DE3817275A1 (en) | 1989-11-23 |
ES2033486T3 (en) | 1993-03-16 |
PT9209T (en) | 1996-04-30 |
NO892014L (en) | 1989-11-21 |
JPH0232979A (en) | 1990-02-02 |
DE3817275C2 (en) | 1992-05-07 |
NO176956B (en) | 1995-03-20 |
US4973502A (en) | 1990-11-27 |
DE58900750D1 (en) | 1992-03-05 |
PT90617A (en) | 1989-11-30 |
EP0342571A1 (en) | 1989-11-23 |
DK245089D0 (en) | 1989-05-19 |
GR3004275T3 (en) | 1993-03-31 |
PT9209U (en) | 1997-07-31 |
DK245089A (en) | 1989-11-21 |
ES2033486T5 (en) | 1995-08-16 |
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