DE3689435D1 - Heisssiegelbare Mehrschichtfolie. - Google Patents

Heisssiegelbare Mehrschichtfolie.

Info

Publication number
DE3689435D1
DE3689435D1 DE86307186T DE3689435T DE3689435D1 DE 3689435 D1 DE3689435 D1 DE 3689435D1 DE 86307186 T DE86307186 T DE 86307186T DE 3689435 T DE3689435 T DE 3689435T DE 3689435 D1 DE3689435 D1 DE 3689435D1
Authority
DE
Germany
Prior art keywords
layer
ethylene
heat sealable
polymer
propylene
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 - Fee Related
Application number
DE86307186T
Other languages
English (en)
Other versions
DE3689435T2 (de
Inventor
Kevin Michael Donovan
Jay Kin Keung
Riccardo Balloni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25118809&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3689435(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mobil Oil Corp filed Critical Mobil Oil Corp
Application granted granted Critical
Publication of DE3689435D1 publication Critical patent/DE3689435D1/de
Publication of DE3689435T2 publication Critical patent/DE3689435T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/10—Homopolymers or copolymers of propene
    • C09J123/14—Copolymers of propene
    • C09J123/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/35—Heat-activated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/746—Slipping, anti-blocking, low friction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/04—Treatment by energy or chemical effects using liquids, gas or steam
    • B32B2310/0409—Treatment by energy or chemical effects using liquids, gas or steam using liquids
    • B32B2310/0436—Oil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2813—Heat or solvent activated or sealable
    • Y10T428/2817—Heat sealable
    • Y10T428/2826—Synthetic resin or polymer
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE86307186T 1985-09-26 1986-09-18 Heisssiegelbare Mehrschichtfolie. Expired - Fee Related DE3689435T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/780,159 US4692379A (en) 1985-09-26 1985-09-26 Heat sealable film and method for its preparation

Publications (2)

Publication Number Publication Date
DE3689435D1 true DE3689435D1 (de) 1994-02-03
DE3689435T2 DE3689435T2 (de) 1994-04-14

Family

ID=25118809

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86307186T Expired - Fee Related DE3689435T2 (de) 1985-09-26 1986-09-18 Heisssiegelbare Mehrschichtfolie.

Country Status (11)

Country Link
US (1) US4692379A (de)
EP (1) EP0217598B1 (de)
JP (1) JPH0637107B2 (de)
KR (1) KR870002942A (de)
CN (1) CN86106449A (de)
AT (1) ATE98932T1 (de)
AU (1) AU598740B2 (de)
BR (1) BR8604657A (de)
CA (1) CA1248439A (de)
DE (1) DE3689435T2 (de)
HK (1) HK54796A (de)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3444158A1 (de) * 1984-12-04 1986-06-05 Hoechst Ag, 6230 Frankfurt Siegelfaehige, transparente polyolefinische mehrschichtfolie
US4692379A (en) * 1985-09-26 1987-09-08 Mobil Oil Corporation Heat sealable film and method for its preparation
DE3612160A1 (de) * 1986-04-11 1987-10-15 Wolff Walsrode Ag Siegelbar, gereckte verbundfolien
US4786562A (en) * 1986-07-11 1988-11-22 Sumitomo Chemical Company, Limited Polypropylene multi-layer film
DE3631231A1 (de) * 1986-09-13 1988-03-24 Hoechst Ag Bedruckbare und beidseitig siegelbare, biaxial orientierte opake polyolefin-mehrschichtfolie, ihre herstellung und ihre verwendung
DE3726265A1 (de) * 1987-08-07 1989-02-16 Wolff Walsrode Ag Verpackungen aus gereckten siegelbaren mehrschichtfolien mit verbesserter transparenz
JPH01203940A (ja) * 1988-02-10 1989-08-16 Fuji Photo Film Co Ltd 光学顕微鏡観察用カバーフィルムおよびその製造法
GB2220372B (en) * 1988-07-05 1992-02-05 Courtaulds Films & Packaging Polymeric films
US4961992A (en) * 1989-01-13 1990-10-09 Mobil Oil Corporation Laminated packaging film
US5057177A (en) * 1989-01-13 1991-10-15 Mobil Oil Corporation Laminated packaging film
US4994324A (en) * 1989-01-19 1991-02-19 Union Camp Corporation Hot-fill polyethylene bags
US5110671A (en) * 1989-08-04 1992-05-05 Mobil Oil Corporation One side heat sealable polypropylene film
DE4031784A1 (de) * 1990-10-08 1992-04-09 Hoechst Ag Beidseitig niedrigsiegelnde, bedruckbare, biaxial orientierte polyolefin-mehrschichtfolie
US5232776A (en) * 1991-08-29 1993-08-03 Mobil Oil Corporation Polymeric films with improved low coefficient of friction material coated thereon
DE4230869A1 (de) * 1992-09-16 1994-03-17 Basf Ag Verpackungsfolie aus einer Siegelschicht und einer Trägerschicht
US5731093A (en) * 1992-11-16 1998-03-24 Mobil Oil Corporation Metallized film structure and its production
US5544338A (en) * 1992-12-31 1996-08-06 International Business Machines Corporation Apparatus and method for raster generation from sparse area array output
KR960000751B1 (ko) * 1993-02-08 1996-01-12 주식회사서통 알루미늄 고접착 증착용 무연신 공압출 합성수지 필름
DE4306154A1 (de) * 1993-02-27 1994-09-01 Hoechst Ag Siegelfähige orientierte Polyolefin-Mehrschichtfolie, Verfahren zu ihrer Herstellung und ihre Verwendung
DE4306153A1 (de) * 1993-02-27 1994-09-01 Hoechst Ag Siegelfähige orientierte Polyolefin-Mehrschichtfolie, Verfahren zu ihrer Herstellung und ihre Verwendung
DE4307441A1 (de) * 1993-03-10 1994-09-15 Wolff Walsrode Ag Mehrschichtige, gereckte, heißsiegelbare, hochgleitfähige Polypropylenfolie mit verbesserten Barriereeigenschaften
DE4308854A1 (de) * 1993-03-19 1994-09-22 Hoechst Ag Siegelfähige orientierte Polyolefin-Mehrschichtfolie, Verfahren zu ihrer Herstellung und ihre Verwendung
DE4310684A1 (de) * 1993-04-01 1994-10-06 Hoechst Ag Siegelflähige orientierte Polyolefin-Mehrschichtfolie, Verfahren zu ihrer Herstellung und ihre Verwendung
ZA949549B (en) * 1993-12-01 1996-05-30 Mobil Oil Corp Oriented HDPE films with skin layers
SK69896A3 (en) * 1993-12-01 1996-11-06 Mobil Oil Corp Oriented polymeric film and its manufacturing process
US5725962A (en) * 1993-12-01 1998-03-10 Mobil Oil Corporation Oriented HDPE films with metallized skin layer
US6455150B1 (en) 1993-12-09 2002-09-24 Karen A. Sheppard Multi-layer oriented heat sealable film structure of improved machinability
US6291063B1 (en) 1994-11-07 2001-09-18 Cryovac, Inc. Film containing silicon oil and antiblocking agent
DE19615952A1 (de) * 1996-04-22 1997-10-23 Basf Ag Verpackungsfolie aus einer Siegelschicht und einer Trägerschicht
US5667902A (en) * 1996-04-30 1997-09-16 Mobil Oil Corporation High moisture barrier polypropylene-based film
DE19652734A1 (de) * 1996-12-18 1998-06-25 Hoechst Trespaphan Gmbh Beidseitig siegelfähige orientierte Polyolefin-Mehrschichtfolie, Verfahren zu ihrer Herstellung und ihre Verwendung
US6074762A (en) * 1998-02-19 2000-06-13 Mobil Oil Corporation Block resistant film
US6087015A (en) * 1998-05-15 2000-07-11 Mobil Oil Corporation Matte surface film
DE19827327A1 (de) * 1998-06-19 1999-12-30 Targor Gmbh Siegelbare Mehrschichtfolie aus einem Propen-Terpolymeren
DE19827328A1 (de) * 1998-06-19 1999-12-23 Targor Gmbh Propen-Terpolymere mit geringem extrahierbarem Anteil
US6902822B1 (en) 1998-12-02 2005-06-07 Toray Plastics (America), Inc. Biaxially oriented polypropylene slip film for packaging with stable coefficient of friction properties
US6503611B1 (en) 1998-12-02 2003-01-07 Toray Plastics (America), Inc. Cold seal release biaxially oriented polypropylene film for packaging with stable release properties
US6120868A (en) * 1998-12-21 2000-09-19 Mitsubishi Polyester Film, Llc Silicone coated film with back side slip control coating and method of controlling slip of such film
US6287700B1 (en) 1998-12-30 2001-09-11 Exxon Mobil Oil Corporation Multi-layer film with enhanced lamination bond strength
US6682822B2 (en) 1999-05-27 2004-01-27 Exxon Mobil Oil Corporation Multilayer polymeric film
US6703141B1 (en) * 1999-12-09 2004-03-09 Exxonmobil Oil Corporation Matte surface film
US6472077B1 (en) 1999-12-20 2002-10-29 Exxon Mobil Oil Corporation Block-resistant film
US6455153B1 (en) * 2000-01-05 2002-09-24 Basf Ag Release coating for tapes
US7393592B2 (en) * 2000-11-16 2008-07-01 Exxonmobil Oil Corporation Lamination grade coextruded heat-sealable film
US6824878B2 (en) 2001-06-12 2004-11-30 Exxonmobil Oil Corporation Method for preparing sealable films with siloxane additives
US20030157354A1 (en) * 2002-02-15 2003-08-21 Van Veghel Michael W. Transparent, coated, shrinkable, oriented polypropylene film
US20040253469A1 (en) * 2002-12-30 2004-12-16 Arent Wendy L. Static of COF differential poly film ream wrap
US20050065633A1 (en) * 2003-11-14 2005-03-24 Michael Wynblatt Systems and methods for relative control of load motion actuators
EP1634699A1 (de) 2004-09-10 2006-03-15 Syrom 90 S.P.A. Metallisierter Mehrschichtfilm und Verfahren zur Herstellung
US20070059464A1 (en) * 2005-09-15 2007-03-15 Sonoco Development Inc., A Corporation Of South Carolina Controlled peel force packaging with pattern-applied energy-cured coating
EP1820642A1 (de) 2006-02-20 2007-08-22 Syrom 90 S.P.A. Mehrschichtige Kunststoffolie
US8541515B1 (en) 2007-11-21 2013-09-24 Trillium Specialties, LLC Polymer compositions with improved surface properties
WO2009072600A1 (ja) * 2007-12-07 2009-06-11 Du Pont-Mitsui Polychemicals Co., Ltd. アイオノマー、該アイオノマーを含有する樹脂組成物、該組成物から形成される未延伸フィルム、シートまたは成形体、ならびに該未延伸フィルム層を有する積層体
CA2724106C (en) * 2009-12-10 2018-04-17 F. Hoffmann-La Roche Ag Multiwell plate and lid
US20140037887A1 (en) 2012-08-06 2014-02-06 Eric W. Bender Printable Polypropylene Slip Film and Laminate Packaging
JP5673905B1 (ja) * 2013-05-23 2015-02-18 東洋製罐グループホールディングス株式会社 液層を表面に有する多層構造体
US10744530B2 (en) 2014-09-29 2020-08-18 Sun Chemical Corporation Method of producing a specified coefficient of friction on both sides of a substrate
US9422424B2 (en) 2014-09-29 2016-08-23 Ingenia Polymers, Inc. Consistent slip masterbatch for polyethylene films
CN117946595A (zh) * 2015-12-18 2024-04-30 佛山新长盛塑料薄膜有限公司 表面保护膜
CN105619990A (zh) * 2015-12-30 2016-06-01 江阴中达软塑新材料股份有限公司 一种低温热封收缩烟用包装膜及其制造方法
CN107042671A (zh) * 2017-03-29 2017-08-15 湛江包装材料企业有限公司 耐高温耐磨型卷烟用bopp薄膜及其制备方法
CN112677610A (zh) * 2020-12-30 2021-04-20 大连大富塑料彩印有限公司 一种超低温热封型流延聚丙烯镀铝基材薄膜
CN114456501A (zh) * 2021-02-04 2022-05-10 海南赛诺实业有限公司 一种超高耐磨型bopp薄膜及其制备方法
CN113910729B (zh) * 2021-11-03 2023-03-17 海南赛诺实业有限公司 一种高热封强度双向拉伸聚丙烯高阻隔涂布膜及其制备方法

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JPS5125390B1 (de) * 1965-10-01 1976-07-30
JPS5565552A (en) * 1978-10-11 1980-05-17 Toyo Boseki Packing body with excellent sealing property
JPS6036388B2 (ja) * 1979-07-13 1985-08-20 東洋紡績株式会社 密着性の良好な包装材料
DE3114171A1 (de) * 1981-04-08 1982-10-28 Wolff Walsrode Ag, 3030 Walsrode Siegelbare mehrschichtfolien
US4419411A (en) * 1982-12-23 1983-12-06 Mobil Oil Corporation Multi-layer polypropylene film structure and method of forming same
DE3247999C2 (de) * 1982-12-24 1984-11-15 Hoechst Ag, 6230 Frankfurt Siegelbare polyolefinische Mehrschichtfolie
DE3247998C2 (de) * 1982-12-24 1986-02-06 Hoechst Ag, 6230 Frankfurt Siegelbare transparente polyolefinische Mehrschichtfolie
US4590125A (en) * 1985-01-24 1986-05-20 Mobil Oil Corporation Heat-sealable multi-layer film structures and methods of forming the same
DE3509384A1 (de) * 1985-03-15 1986-09-18 Hoechst Ag, 6230 Frankfurt Bedruckbare und beidseitig siegelbare, biaxial orientierte polyolefin-mehrschichtfolie, ihre herstellung und ihre verwendung
US4692379A (en) * 1985-09-26 1987-09-08 Mobil Oil Corporation Heat sealable film and method for its preparation

Also Published As

Publication number Publication date
KR870002942A (ko) 1987-04-14
CA1248439A (en) 1989-01-10
AU6102786A (en) 1987-04-02
CN86106449A (zh) 1987-04-29
DE3689435T2 (de) 1994-04-14
HK54796A (en) 1996-04-03
AU598740B2 (en) 1990-07-05
US4692379A (en) 1987-09-08
EP0217598A3 (en) 1988-11-17
ATE98932T1 (de) 1994-01-15
JPS6273941A (ja) 1987-04-04
JPH0637107B2 (ja) 1994-05-18
EP0217598A2 (de) 1987-04-08
EP0217598B1 (de) 1993-12-22
BR8604657A (pt) 1987-06-09

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee