DE69505499T2 - Mehrschnittfolie aus ethylencopolymer - Google Patents

Mehrschnittfolie aus ethylencopolymer

Info

Publication number
DE69505499T2
DE69505499T2 DE69505499T DE69505499T DE69505499T2 DE 69505499 T2 DE69505499 T2 DE 69505499T2 DE 69505499 T DE69505499 T DE 69505499T DE 69505499 T DE69505499 T DE 69505499T DE 69505499 T2 DE69505499 T2 DE 69505499T2
Authority
DE
Germany
Prior art keywords
film made
ethylene copolymer
cut film
cut
copolymer
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
Application number
DE69505499T
Other languages
English (en)
Other versions
DE69505499D1 (de
DE69505499T3 (de
Inventor
Alan Breck
Alana Verdone
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.)
Liqui Box Canada Inc
Original Assignee
DuPont Canada Inc
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=10750075&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69505499(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by DuPont Canada Inc filed Critical DuPont Canada Inc
Publication of DE69505499D1 publication Critical patent/DE69505499D1/de
Application granted granted Critical
Publication of DE69505499T2 publication Critical patent/DE69505499T2/de
Publication of DE69505499T3 publication Critical patent/DE69505499T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • 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
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/242—All polymers belonging to those covered by group B32B27/32
    • 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
    • B32B2323/04—Polyethylene
    • 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
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • 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
    • B32B2597/00—Tubular articles, e.g. hoses, pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • 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
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2314/00—Polymer mixtures characterised by way of preparation
    • C08L2314/06—Metallocene or single site catalysts
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1008—Longitudinal bending
    • Y10T156/1013—Longitudinal bending and edge-joining of one piece blank to form tube
    • 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.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, 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]
    • Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
    • Y10T428/1393—Multilayer [continuous layer]
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2852—Adhesive compositions
    • Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
DE69505499T 1994-02-08 1995-02-08 Mehrschnittfolie aus ethylencopolymer Expired - Lifetime DE69505499T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9402430 1994-02-08
GB9402430A GB9402430D0 (en) 1994-02-08 1994-02-08 Multilayer ethylene copolymer film
PCT/CA1995/000064 WO1995021743A1 (en) 1994-02-08 1995-02-08 Multilayer ethylene copolymer film

Publications (3)

Publication Number Publication Date
DE69505499D1 DE69505499D1 (de) 1998-11-26
DE69505499T2 true DE69505499T2 (de) 1999-04-29
DE69505499T3 DE69505499T3 (de) 2006-09-21

Family

ID=10750075

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69505499T Expired - Lifetime DE69505499T3 (de) 1994-02-08 1995-02-08 Mehrschnittfolie aus ethylencopolymer

Country Status (7)

Country Link
US (1) US5972443A (de)
EP (1) EP0743902B2 (de)
BR (1) BR9506927A (de)
CA (1) CA2182524C (de)
DE (1) DE69505499T3 (de)
GB (1) GB9402430D0 (de)
WO (1) WO1995021743A1 (de)

Families Citing this family (45)

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EP0701897B1 (de) * 1994-09-16 2001-04-18 Cryovac, Inc. Thermoplastischer Mehrschichtfilm zum Verpacken von Wasser
IT1304704B1 (it) * 1995-09-01 2001-03-28 Manuli Stretch Spa Film multistrato polietilenico
US5879768A (en) * 1995-10-06 1999-03-09 The Dow Chemical Company Pouches for packaging flowable materials
EP0959051A4 (en) 1996-08-13 1999-12-15 Nippon Sheet Glass Co Ltd Laser machining method for glass substrate, diffraction type optical device fabricated by the machining method, and method of manufacturing optical device
GB9620651D0 (en) * 1996-10-02 1996-11-20 Norester S A A laminate
US5843540A (en) * 1996-11-15 1998-12-01 Tetra Laval Holdings & Finance, S.A. Multi-layer flexible container for flowable materials
EP0948432B1 (de) * 1996-12-26 2001-07-18 Dupont Canada Inc. Folien mit verbesserten siegeleigenschaften
US6094889A (en) * 1997-02-25 2000-08-01 Exxon Chemical Patents, Inc. Method of form and seal packaging
EP0963407A1 (de) 1997-02-25 1999-12-15 Exxon Chemical Patents Inc. Corona-behandelte filme mit ausgezeichnetem reibungskoeffizienten
EP0890611A1 (de) * 1997-07-08 1999-01-13 The Procter & Gamble Company Verpacken von fliessfähigem Material
WO1999006476A1 (en) * 1997-08-04 1999-02-11 The Dow Chemical Company Pouch for packaging flowable materials
BR9811608A (pt) 1997-08-15 2000-09-05 Dow Chemical Co Filme produzido de composições de polìmero de olefina homogêneo substancialmente linear, processo para preparar um filme soprado e composição de polìmero
US6416833B1 (en) * 1997-08-22 2002-07-09 Dupont Canada Inc. Interpolymer film pouch
US6287700B1 (en) * 1998-12-30 2001-09-11 Exxon Mobil Oil Corporation Multi-layer film with enhanced lamination bond strength
US6383589B1 (en) * 1999-03-29 2002-05-07 Pechiney Plastic Packaging, Inc. Multilayer plastic structures, containers made therefrom, and methods of making the structures
EP1138702A1 (de) * 2000-03-30 2001-10-04 Fina Research S.A. Mit Metallocenkatalysatoren hergestelltes Polyethylen für glänzende Plastikbehälter
US6440533B1 (en) 2000-09-22 2002-08-27 Tredegar Film Products Corporation PVC replacement film
US6592967B2 (en) 2001-02-14 2003-07-15 Avery Dennison Corporation Microprism reflective sheeting with improved retention of reflectivity
SE0100858D0 (sv) * 2001-03-12 2001-03-12 Tetra Laval Holdings & Finance Packaging laminate, method of producing a packaging container and the packaging container
EP1300240A1 (de) * 2001-10-02 2003-04-09 Atofina Research S.A. Glänzende Kunststoffbehälter mit hoher Beständigkeit gegen Rissbildung
US7217463B2 (en) 2002-06-26 2007-05-15 Avery Dennison Corporation Machine direction oriented polymeric films and methods of making the same
US6913809B2 (en) * 2002-06-27 2005-07-05 Pliant Corporation Lap sealable film with a peel layer
EP1750941A1 (de) * 2004-05-07 2007-02-14 A.W.A.X. PROGETTAZIONE E RICERCA S.r.l. Dehnbare mehrschichtfolie
JP4856371B2 (ja) 2004-11-10 2012-01-18 昭和電工パッケージング株式会社 包装用積層体及びこれを用いた包装用袋体と電子材料製品包装用袋体
AU2007242031A1 (en) 2006-04-26 2007-11-01 Liqui-Box Canada Inc. Flex crack resistant low density polyethylene films
CN103121320B (zh) 2006-06-14 2015-06-24 艾利丹尼森公司 可顺应和可冲切的轴向定向的标签原料和标签及制备方法
CN101484315B (zh) 2006-06-20 2013-04-10 艾利丹尼森公司 用于热熔粘合剂标记和标签原料以及此种标签的多层聚合膜
US8105686B2 (en) 2006-07-17 2012-01-31 Avery Dennison Corporation Asymmetric multilayered polymeric film and label stock and label thereof
US8211533B2 (en) * 2006-09-05 2012-07-03 Liqui-Box Corporation Resin blend of ethylene alpha olefin interpolymer and heterogeneous interpolymer for liquid packaging films
BR112012025934A2 (pt) * 2010-04-16 2016-06-28 Liqui Box Corp filme multicamadas para produzir bolsas para conter materiais dispersíveis e processo para produzir bolsas preenchidas com um material dispersível
BR112012025478A2 (pt) * 2010-04-16 2019-09-24 Liqui Box Corp filme multicamadas para produzir bolsas para conter materiais dispersíveis e processo para produzir bolsas preenchidas com um material dispersível
CA2794604C (en) 2010-04-16 2018-01-09 Liqui-Box Corporation Multi-layer, ethylene polymer-based films with high-density polyethylene based stiffening layer
EP2397325A1 (de) 2010-06-18 2011-12-21 Cryovac, Inc. Mehrschichtiger Film zum Verpacken von Flüssigprodukten
US9676532B2 (en) 2012-08-15 2017-06-13 Avery Dennison Corporation Packaging reclosure label for high alcohol content products
CN105848878B (zh) 2013-12-31 2018-06-08 陶氏环球技术有限责任公司 多层薄膜、其制造方法以及包含其的制品
US20150231862A1 (en) 2014-02-19 2015-08-20 Dow Global Technologies Llc Multilayered polyolefin films, methods of manufacture thereof and articles comprising the same
WO2015123827A1 (en) 2014-02-19 2015-08-27 Dow Global Technologies Llc High performance sealable co-extruded oriented film, methods of manufacture thereof and articles comprising the same
JP2017520642A (ja) 2014-06-02 2017-07-27 アベリー・デニソン・コーポレイションＡｖｅｒｙ Ｄｅｎｎｉｓｏｎ Ｃｏｒｐｏｒａｔｉｏｎ 耐スカッフ性、透明性、及び順応性が改善されたフィルム
WO2017096211A1 (en) * 2015-12-02 2017-06-08 Berry Plastics Corporation Peelable film for container lid
WO2018102091A1 (en) 2016-12-02 2018-06-07 Exxonmobil Chemical Patents Inc. Polyethylene films
ES1189859Y (es) 2017-07-31 2017-11-06 Liquibox Spain Sl Maquina esterilizadora para bolsas contenedoras de liquidos
CN111093989A (zh) 2017-09-13 2020-05-01 利奎-保克斯公司 用于防止软包装敏感食品和其包装产品的感官劣化的方法
EP3710529A4 (de) 2017-11-14 2021-08-04 Liqui-Box Corporation Knickbruchbeständige und wärmebeständige aseptische schüttgutbeutel für flexible verpackung
EP3569411A1 (de) * 2018-05-18 2019-11-20 Dow Global Technologies Llc Ausgussbeutel und verfahren zur herstellung davon
US20230264449A1 (en) * 2020-06-24 2023-08-24 Trioworld Nyborg A/S Tubular film for stretch hoods comprising recycled material

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AU565262B2 (en) † 1982-06-02 1987-09-10 Du Pont Canada Inc. Pouches of copolymer film
MX9200724A (es) * 1991-02-22 1993-05-01 Exxon Chemical Patents Inc Mezcla termosellable de polietileno o plastomero de muy baja densidad con polimeros a base de polipropileno y pelicula termosellable asi como articulos hechos con aquellas.
JPH06509528A (ja) * 1991-07-18 1994-10-27 エクソン・ケミカル・パテンツ・インク ヒートシール製品
US5288531A (en) † 1991-08-09 1994-02-22 The Dow Chemical Company Pouch for packaging flowable materials
US5278272A (en) * 1991-10-15 1994-01-11 The Dow Chemical Company Elastic substantialy linear olefin polymers
US5562958A (en) † 1991-10-15 1996-10-08 The Dow Chemical Company Packaging and wrapping film
US5206075A (en) * 1991-12-19 1993-04-27 Exxon Chemical Patents Inc. Sealable polyolefin films containing very low density ethylene copolymers
JP3326873B2 (ja) * 1992-07-22 2002-09-24 住友化学工業株式会社 包装用フィルム
EP0662988B2 (de) * 1992-09-16 2011-03-30 ExxonMobil Chemical Patents Inc. Weiche filme mit verbesserten physikalischen eigenschaften
DE69307905T2 (de) * 1992-10-02 1997-07-24 Du Pont Verbesserte schrumpffolie und verfahren zu ihrer herstellung
US5604043A (en) * 1993-09-20 1997-02-18 W.R. Grace & Co.-Conn. Heat shrinkable films containing single site catalyzed copolymers having long chain branching

Also Published As

Publication number Publication date
EP0743902B1 (de) 1998-10-21
BR9506927A (pt) 1997-09-30
DE69505499D1 (de) 1998-11-26
DE69505499T3 (de) 2006-09-21
EP0743902A1 (de) 1996-11-27
CA2182524C (en) 1999-12-14
WO1995021743A1 (en) 1995-08-17
GB9402430D0 (en) 1994-03-30
CA2182524A1 (en) 1995-08-17
EP0743902B2 (de) 2005-12-21
US5972443A (en) 1999-10-26

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: LIQUI-BOX CANADA INC., WHITBY, ONTARIO, CA

8328 Change in the person/name/address of the agent

Representative=s name: MUELLER-BORE & PARTNER, PATENTANWAELTE, EUROPEAN PAT