DE3786332T2 - Einzelschicht-Schrumpffolie aus Polyäthylen. - Google Patents

Einzelschicht-Schrumpffolie aus Polyäthylen.

Info

Publication number
DE3786332T2
DE3786332T2 DE19873786332 DE3786332T DE3786332T2 DE 3786332 T2 DE3786332 T2 DE 3786332T2 DE 19873786332 DE19873786332 DE 19873786332 DE 3786332 T DE3786332 T DE 3786332T DE 3786332 T2 DE3786332 T2 DE 3786332T2
Authority
DE
Germany
Prior art keywords
polyethylene
film made
shrink film
layer shrink
layer
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
DE19873786332
Other languages
English (en)
Other versions
DE3786332D1 (de
Inventor
Richard Kenneth Roberts
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE3786332D1 publication Critical patent/DE3786332D1/de
Application granted granted Critical
Publication of DE3786332T2 publication Critical patent/DE3786332T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/003—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0844—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using X-ray
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/085—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using gamma-ray
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0608—PE, i.e. polyethylene characterised by its density
    • B29K2023/0633—LDPE, i.e. low density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0085—Copolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869—Acids or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00—Crosslinking
    • C08L2312/06—Crosslinking by radiation
    • 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
DE19873786332 1986-11-26 1987-11-26 Einzelschicht-Schrumpffolie aus Polyäthylen. Expired - Fee Related DE3786332T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/937,035 US4760116A (en) 1986-11-26 1986-11-26 Monolayer polyethylene shrink film

Publications (2)

Publication Number Publication Date
DE3786332D1 DE3786332D1 (de) 1993-07-29
DE3786332T2 true DE3786332T2 (de) 1994-01-13

Family

ID=25469392

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873786332 Expired - Fee Related DE3786332T2 (de) 1986-11-26 1987-11-26 Einzelschicht-Schrumpffolie aus Polyäthylen.

Country Status (5)

Country Link
US (1) US4760116A (de)
EP (1) EP0270932B1 (de)
JP (1) JPH0613613B2 (de)
CA (1) CA1300077C (de)
DE (1) DE3786332T2 (de)

Families Citing this family (49)

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US5290866A (en) * 1987-10-09 1994-03-01 Mobil Oil Corporation Films of blends of linear ethylene polymers and acrylic polymers
US5106545A (en) * 1987-12-21 1992-04-21 W. R. Grace & Co.-Conn. Oriented polymeric films and process for enhanced orientation of polymeric films
US4957790A (en) * 1987-12-21 1990-09-18 W. R. Grace & Co.-Conn. Oriented polymeric films
CA2020649C (en) * 1989-07-20 2002-06-25 Richard Kenneth Roberts Tough monolayer shrink film for products containing moisture
US5904964A (en) * 1989-12-18 1999-05-18 E. I. Du Pont De Nemours And Company Process for manufacturing heat-shrinkable polyethylene film
US5331019A (en) * 1990-09-04 1994-07-19 Becton, Dickinson And Company Lubricious radiation stable polymeric composition and articles therefrom
US5283128A (en) * 1992-03-23 1994-02-01 Viskase Corporation Biaxially oriented heat shrinkable film
US5698279A (en) * 1992-09-23 1997-12-16 Viskase Corporation Heat shrinkable nylon food casing having a functionalized ethylenic polymer core layer
US5549943A (en) * 1992-09-23 1996-08-27 Viskase Corporation Heat shrinkable nylon food casing with a polyolefin core layer
CA2146003A1 (en) * 1992-10-02 1994-04-14 Oscar Trini Garza, Jr. Improved shrink film and methods relating thereto
US5378764A (en) * 1992-10-08 1995-01-03 Phillips Petroleum Company Polyethylene blends
US5344884A (en) * 1992-10-08 1994-09-06 Phillips Petroleum Company Polyethylene blends
US5929128A (en) * 1993-08-18 1999-07-27 The Dow Chemical Company Gaskets made from olefin polymers
CA2102985A1 (en) * 1993-11-12 1995-05-13 Kyosaku Sato Ester polymer compatibilizers
AU4604096A (en) * 1994-12-29 1996-07-24 Alcoa Closure Systems International, Inc. A substantially linear polyethylene sealing liner for a closure
US5889117A (en) * 1995-03-20 1999-03-30 Bicc Cables Corporation Polymeric compositions for power cables
US5986000A (en) 1995-05-22 1999-11-16 Playtex Products, Inc. Soft, flexible composition and method for making same
US6045882A (en) * 1998-07-16 2000-04-04 Viskase Corporation Multilayer thin plastic film, useful for shrink overwrap packaging
KR100589997B1 (ko) * 1998-09-11 2006-08-30 삼성토탈 주식회사 이지필 필름용 수지조성물
US6340532B1 (en) 2001-01-31 2002-01-22 Nova Chemicals (International) S.A. Shrink films
US7244481B2 (en) 2001-06-18 2007-07-17 Viskase Companies, Inc. Nylon food casing having a barrier core layer
JP3530154B2 (ja) * 2001-07-17 2004-05-24 住友電工ファインポリマー株式会社 ポリエチレン熱収縮チューブ
US7615270B2 (en) * 2002-11-12 2009-11-10 E. I. Du Pont De Nemours And Company Films comprising a liquid-absorbant inner layer and an impermeable outer layer
US7045566B2 (en) * 2002-11-12 2006-05-16 E.I. Du Pont De Nemours And Company Moisture and gas permeable non-porous ionomeric films
US20040173492A1 (en) 2003-03-05 2004-09-09 Kane James P. Reclosable packages and method for forming, filling and sealing such packages
US7892391B2 (en) * 2004-01-29 2011-02-22 E. I. Du Pont De Nemours And Company Compositions of ethylene/vinyl acetate copolymers for heat-sealable easy opening packaging
AU2005245892A1 (en) * 2004-05-12 2005-12-01 E. I. Du Pont De Nemours And Company Ionomer compositions suitable for use in antifog applications
TW200632019A (en) * 2004-12-20 2006-09-16 Tohcello Co Ltd Stretched film of olefin polymer
US20060228503A1 (en) * 2005-04-12 2006-10-12 Marvin Havens Film for chub packaging
US20080118692A1 (en) * 2006-11-21 2008-05-22 Fina Technology, Inc. Polyethylene useful for producing film and molded articles in a process which uses solid state stretching
US7781506B2 (en) * 2007-01-26 2010-08-24 E.I. Du Pont De Nemours And Company Poly(vinyl alcohol) composition comprising a polyol
US7834089B2 (en) 2007-05-08 2010-11-16 E. I. Du Pont De Nemours And Company Ionomeric ethylene vinyl alcohol compositions
US20090274856A1 (en) * 2008-05-01 2009-11-05 Chou Richard T Compositions comprising ethylene acid copolymers and functional ethylene copolymers
US20100125114A1 (en) * 2008-11-14 2010-05-20 Williams Michael G Propylene-Based Film Compositions
US20110024433A1 (en) 2009-07-30 2011-02-03 E.I. Du Pont De Nemours And Company Thermal insulation unit
US8618185B2 (en) * 2009-10-01 2013-12-31 Momentive Performance Materials Inc. Self-lubricating pharmaceutical syringe stoppers
US9782542B2 (en) 2009-10-01 2017-10-10 Momentive Performance Materials Inc. Self-lubricating pharmaceutical syringe stoppers
US8530536B2 (en) * 2009-10-01 2013-09-10 Momentive Performance Materials Inc. Self-lubricating pharmaceutical syringe stoppers
US20110143003A1 (en) 2009-12-16 2011-06-16 E. I. Du Pont De Nemours And Company Non-porous moisture and gas permeable films
CA2795939C (en) 2010-04-12 2018-05-22 Nicolon Corporation, doing business as TenCate Geosynthetics North America Polypropylene yarn having increased young's modulus and method of making same
US20110300273A1 (en) 2010-06-03 2011-12-08 E.I. Du Pont De Nemours And Company Non-Porous Moisture and Gas Permeable Films
US20150011697A1 (en) 2013-07-03 2015-01-08 E I Du Pont De Nemours And Company Melt-processible vinyl fluoride interpolymers of low crystallinity
US9777145B2 (en) 2013-12-20 2017-10-03 E. I. Du Pont De Nemours And Company Anti-fogging films based on ethylene copolymer compositions
EP3145717A1 (de) 2014-05-20 2017-03-29 E. I. du Pont de Nemours and Company Feinschrumpffolienschutzstruktur
WO2016025663A1 (en) 2014-08-13 2016-02-18 E. I. Du Pont De Nemours And Company Multilayer structure comprising polypropylene
WO2016094281A1 (en) 2014-12-11 2016-06-16 E. I. Du Pont De Nemours And Company Stretch wrapping film
CN104788867B (zh) * 2015-04-01 2017-07-04 无锡海特新材料研究院有限公司 热收缩自粘性真空镀保护薄膜的制造方法
CN104893091B (zh) * 2015-06-26 2017-03-01 福建惠亿美环保材料科技有限公司 一种超透明eva膜及其制备方法
US11401389B2 (en) 2018-05-24 2022-08-02 E. I. Du Pont De Nemours And Company Transparent fluoropolymer films

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US3817821A (en) * 1972-11-08 1974-06-18 Du Pont Laminar packaging film
US3969304A (en) * 1974-11-27 1976-07-13 National Distillers And Chemical Corporation Ethylene polymer films
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GB2019412B (en) * 1978-04-07 1982-09-15 Raychem Ltd Cross-linked low density linear polyethylenes
US4229241A (en) * 1978-12-04 1980-10-21 W. R. Grace & Co. Process for making a multi layer polyolefin shrink film
JPS5923686B2 (ja) * 1981-03-02 1984-06-04 日本電信電話株式会社 熱収縮チユ−ブの製造方法
JPS5923685B2 (ja) * 1981-03-02 1984-06-04 日本電信電話株式会社 熱収縮チユ−ブ
JPS58142848A (ja) * 1982-02-19 1983-08-25 呉羽化学工業株式会社 積層フイルム
US4532189A (en) * 1982-02-19 1985-07-30 W. R. Grace & Co., Cryovac Div. Linear polyethylene shrink films
JPS58167636A (ja) * 1982-03-26 1983-10-03 Hitachi Cable Ltd 熱収縮性ケ−ブル
US4457960A (en) * 1982-04-26 1984-07-03 American Can Company Polymeric and film structure for use in shrink bags
US4447480A (en) * 1982-12-01 1984-05-08 Union Carbide Corporation Shrinkable film for poultry bags
US4547413A (en) * 1982-12-01 1985-10-15 Union Carbide Corporation Shrinkable film for poultry bags
US4551380A (en) * 1984-05-10 1985-11-05 W. R. Grace & Co., Cryovac Div. Oriented heat-sealable multilayer packaging film

Also Published As

Publication number Publication date
DE3786332D1 (de) 1993-07-29
JPH0613613B2 (ja) 1994-02-23
EP0270932A2 (de) 1988-06-15
US4760116A (en) 1988-07-26
EP0270932B1 (de) 1993-06-23
JPS63178140A (ja) 1988-07-22
EP0270932A3 (en) 1990-01-17
CA1300077C (en) 1992-05-05

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee