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ES2180978T3 - Film de alto modulo. - Google Patents

Film de alto modulo.

Info

Publication number
ES2180978T3
ES2180978T3 ES97920144T ES97920144T ES2180978T3 ES 2180978 T3 ES2180978 T3 ES 2180978T3 ES 97920144 T ES97920144 T ES 97920144T ES 97920144 T ES97920144 T ES 97920144T ES 2180978 T3 ES2180978 T3 ES 2180978T3
Authority
ES
Spain
Prior art keywords
film
ethylene
density
less
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
ES97920144T
Other languages
English (en)
Inventor
Gautam P Shah
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.)
Cryovac LLC
Original Assignee
Cryovac LLC
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=24531226&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2180978(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cryovac LLC filed Critical Cryovac LLC
Application granted granted Critical
Publication of ES2180978T3 publication Critical patent/ES2180978T3/es
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
    • B32B27/06—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
    • B32B27/32—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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • 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
    • 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 four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • 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
    • C08L23/16—Ethene-propene or ethene-propene-diene copolymers
    • 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
    • B32B2323/043—HDPE, i.e. high density 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
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • 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
    • 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
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation
    • 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.]
    • Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24992—Density or compression of components
    • 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
    • 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
    • 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
    • Y10T428/31935—Ester, halide or nitrile of addition polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

UNA PELICULA INCLUYE AL MENOS UNA CAPA QUE COMPRENDE UNA MEZCLA DE UN POLIMERO DE ETILENO QUE TIENE UNA DENSIDAD DE AL MENOS 0.925 GR. POR CENTIMETRO CUBICO, Y UN COPOLIMERO DE ETILENO SELECCIONADO ENTRE EL GRUPO QUE CONSTA DE COPOLIMERO DE ETILENO/ESTER, Y COPOLIMERO DE ETILENO/ALFA-OLEFINA. LA PELICULA PREFERIBLEMENTE ESTA BASICAMENTE LIBRE DE POLIETILENO LINEAL DE BAJA DENSIDAD. LA PELICULA PUEDE SER UNA PELICULA MONOCAPA O DE CAPAS MULTIPLES Y PUEDE COMPRENDER UNA CAPA DE NUCLEO QUE COMPRENDA UN POLIMERO DE ETILENO QUE TENGA UNA DENSIDAD DE AL MENOS 0.925 GR. POR CENTIMETRO CUBICO, Y UNA O MAS CAPAS EXTERNAS CON LA MEZCLA ANTERIORMENTE DESCRITA. TAMBIEN PUEDE INCLUIRSE AL MENOS UNA CAPA INTERMEDIA QUE COMPRENDE UN COPOLIMERO DE ETILENO QUE TIENE UNA DENSIDAD MENOR DE 0.925 GR. POR CENTIMETRO CUBICO. LA PELICULA TIENE PREFERIBLEMENTE UN GROSOR INFERIOR A 0.60 MILS; UNA FUERZA DE CONTRACCION MENOR DE 0.35 LIBRAS EN LA DIRECCION LONGITUDINAL, Y MENOR DE 0.30 LIBRAS EN LA DIRECCION TRANSVERSAL; Y UN MODULO DE AL MENOS 60000 PSI EN LA DIRECCION LONGITUDINAL, Y AL MENOS 75000 PSI EN LA DIRECCION TRANSVERSAL. LA PELICULA OFRECE PROPIEDADES BENEFICIOSAS PARA APLICACIONES DE EMPAQUETAMIENTO.
ES97920144T 1996-04-12 1997-04-04 Film de alto modulo. Expired - Lifetime ES2180978T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/631,442 US5897941A (en) 1996-04-12 1996-04-12 High modulus film

Publications (1)

Publication Number Publication Date
ES2180978T3 true ES2180978T3 (es) 2003-02-16

Family

ID=24531226

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97920144T Expired - Lifetime ES2180978T3 (es) 1996-04-12 1997-04-04 Film de alto modulo.

Country Status (17)

Country Link
US (1) US5897941A (es)
EP (3) EP1251002B1 (es)
JP (2) JP3483576B2 (es)
KR (1) KR20000005349A (es)
CN (1) CN1074987C (es)
AR (1) AR006615A1 (es)
AT (3) ATE271971T1 (es)
AU (1) AU723591B2 (es)
BR (1) BR9708657A (es)
CA (1) CA2251682C (es)
CO (1) CO4820404A1 (es)
DE (3) DE69730058T2 (es)
ES (1) ES2180978T3 (es)
NZ (1) NZ332182A (es)
PT (1) PT892719E (es)
WO (1) WO1997038857A1 (es)
ZA (1) ZA972982B (es)

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US5897941A (en) * 1996-04-12 1999-04-27 Cryovac, Inc. High modulus film
CA2372954C (en) * 2000-03-22 2009-05-26 Basell Technology Company Bv Multilayer heat-shrinkable sealable films
TWI306809B (es) * 2001-01-15 2009-03-01 Hosokawa Yoko Kk
WO2002055298A2 (en) * 2001-01-15 2002-07-18 Showa Denko Plastic Products Co., Ltd. Laminate and container
MXPA04000612A (es) * 2001-07-31 2004-04-20 Avery Dennison Corp ETIQUETAS HOLOGRaFICAS CONFORMABLES.
CA2488551A1 (en) 2002-06-26 2004-01-08 Avery Dennison Corporation Oriented films comprising polypropylene / olefin elastomer blends
WO2004024433A2 (en) * 2002-09-16 2004-03-25 Dow Global Technologies Inc. High clarity, high stiffness films
US20060275564A1 (en) 2005-06-01 2006-12-07 Michael Grah Method of activating the shrink characteristic of a film
FR2887801B1 (fr) 2005-07-01 2007-09-07 Bollore Sa Film a plusieurs couches
US7846071B2 (en) * 2006-05-15 2010-12-07 Johnson Health Tech Co., Ltd. Stationary exercise apparatus
US9662867B2 (en) 2006-06-14 2017-05-30 Avery Dennison Corporation Conformable and die-cuttable machine direction oriented labelstocks and labels, and process for preparing
EP2035226A2 (en) 2006-06-20 2009-03-18 Avery Dennison Corporation Multilayered polymeric film for hot melt adhesive labeling and label stock and label thereof
US8105686B2 (en) * 2006-07-17 2012-01-31 Avery Dennison Corporation Asymmetric multilayered polymeric film and label stock and label thereof
MX2011000618A (es) 2008-07-15 2011-02-24 Dow Global Technologies Inc Peliculas reticuladas y articulos preparados de las mismas.
US8012572B2 (en) 2009-03-06 2011-09-06 Cryovac, Inc. Multilayer, heat-shrinkable film comprising a plurality of microlayers
US9676532B2 (en) 2012-08-15 2017-06-13 Avery Dennison Corporation Packaging reclosure label for high alcohol content products
WO2014088585A1 (en) * 2012-12-07 2014-06-12 Perfecseal, Inc. Multilayer film
US9415990B2 (en) * 2013-02-13 2016-08-16 Cryovac, Inc. Bag-in-box system for use in dispensing a pumpable product
WO2015037962A1 (ko) * 2013-09-16 2015-03-19 코오롱인더스트리 주식회사 나일론 필름
CA2935294A1 (en) 2013-12-30 2015-07-09 Avery Dennison Corporation Films for printing
US20150225151A1 (en) 2014-02-11 2015-08-13 Christopher L. Osborn Anti-Scalping Transdermal Patch Packaging Film
US9468584B2 (en) 2014-04-02 2016-10-18 Bemis Company, Inc. Child-resistant packaging
WO2015187646A1 (en) 2014-06-02 2015-12-10 Avery Dennison Corporation Films with enhanced scuff resistance, clarity, and conformability
CN109070531B (zh) * 2016-03-11 2020-09-18 埃克森美孚化学专利公司 多层膜及其制造方法
PL3481630T3 (pl) * 2016-07-08 2020-07-13 Constantia Pirk Gmbh & Co. Kg Nadająca się do recyklingu folia polietylenowa
EP4357134A1 (en) * 2022-10-18 2024-04-24 Dow Global Technologies LLC Oriented multilayer film including metal layer

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Also Published As

Publication number Publication date
KR20000005349A (ko) 2000-01-25
AR006615A1 (es) 1999-09-08
CA2251682A1 (en) 1997-10-23
EP1251002A1 (en) 2002-10-23
ATE223308T1 (de) 2002-09-15
DE69715179D1 (de) 2002-10-10
DE69730058T2 (de) 2005-07-21
BR9708657A (pt) 1999-08-03
CN1222115A (zh) 1999-07-07
EP0892719B1 (en) 2002-09-04
DE69715179T2 (de) 2003-01-02
NZ332182A (en) 2000-03-27
JP3977754B2 (ja) 2007-09-19
ZA972982B (en) 1997-11-03
DE69731990D1 (de) 2005-01-20
DE69730058D1 (de) 2004-09-02
EP1110715B1 (en) 2004-07-28
CN1074987C (zh) 2001-11-21
EP1110715A1 (en) 2001-06-27
ATE271971T1 (de) 2004-08-15
PT892719E (pt) 2003-01-31
AU2441097A (en) 1997-11-07
AU723591B2 (en) 2000-08-31
CA2251682C (en) 2004-06-08
CO4820404A1 (es) 1999-07-28
EP0892719A1 (en) 1999-01-27
JP3483576B2 (ja) 2004-01-06
DE69731990T2 (de) 2005-12-29
ATE284789T1 (de) 2005-01-15
JP2004001384A (ja) 2004-01-08
EP1251002B1 (en) 2004-12-15
US5897941A (en) 1999-04-27
JP2001500073A (ja) 2001-01-09
WO1997038857A1 (en) 1997-10-23

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