ES2110175T3 - Pelicula porosa y procedimiento para su produccion. - Google Patents

Pelicula porosa y procedimiento para su produccion.

Info

Publication number
ES2110175T3
ES2110175T3 ES94120615T ES94120615T ES2110175T3 ES 2110175 T3 ES2110175 T3 ES 2110175T3 ES 94120615 T ES94120615 T ES 94120615T ES 94120615 T ES94120615 T ES 94120615T ES 2110175 T3 ES2110175 T3 ES 2110175T3
Authority
ES
Spain
Prior art keywords
porous film
sheet
procedure
production
molding
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
ES94120615T
Other languages
English (en)
Inventor
Shingo Kaneko
Yoshio Murakami
Yoshinari Yamashita
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.)
Tokuyama Corp
Original Assignee
Tokuyama 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
Application filed by Tokuyama Corp filed Critical Tokuyama Corp
Application granted granted Critical
Publication of ES2110175T3 publication Critical patent/ES2110175T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/78—Graft polymers
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/022—Metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/024—Oxides
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/24—Mechanical properties, e.g. strength
    • 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
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • 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.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • 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.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • Y10T428/24413—Metal or metal compound
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

DE ACUERDO CON LA PRESENTE ESPECIFICACION SE DESCRIBE UNA PELICULA POROSA QUE TIENE UN NUMERO DE AGUJEROS QUE SE EXTIENDEN DE UN LADO AL OTRO LADO, OBTENIDOS POR MOLDEAR EN UNA FORMA DE LAMINA UNA COMPOSICION DE RESINA QUE COMPRENDE UN COPOLIMERO DE OLEFINA- ETILENO, UN ELASTOMERO TERMOPLASTICO Y UN RELLENO INORGANICO Y ENTONCES SOMETER LA LAMINA A ESTIRAMIENTO POR ORIENTACION. DICHA PELICULA POROSA TIENE EXCELENTE FLEXIBILIDAD, ESTIRABILIDAD Y PERMEABILIDAD DE HUMEDAD. ESAS PROPIEDADES SON HECHAS POSIBLES POR USAR COMPONENTES INDIVIDUALES EN PROPORCIONES PARTICULARES, MOLDEAR LA COMPOSICION RESULTANTE EN UNA FORMA DE LAMINA Y ENTONCES ESTIRAR LA LAMINA PARA FORMAR AGUJEROS FINOS EN ELLO PARA TENER UNA PERMEABILIDAD DE HUMEDAD DE 2,000 G/M2.24HR O MAS.
ES94120615T 1993-12-24 1994-12-23 Pelicula porosa y procedimiento para su produccion. Expired - Lifetime ES2110175T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32701793 1993-12-24

Publications (1)

Publication Number Publication Date
ES2110175T3 true ES2110175T3 (es) 1998-02-01

Family

ID=18194387

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94120615T Expired - Lifetime ES2110175T3 (es) 1993-12-24 1994-12-23 Pelicula porosa y procedimiento para su produccion.

Country Status (7)

Country Link
US (1) US5445862A (es)
EP (1) EP0659808B1 (es)
KR (1) KR100320643B1 (es)
CN (1) CN1056116C (es)
DE (1) DE69407149T2 (es)
ES (1) ES2110175T3 (es)
TW (1) TW283719B (es)

Families Citing this family (42)

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TW330217B (en) 1994-12-20 1998-04-21 Kimberly Clark Co Low gauge films and film/nonwoven laminates
ZA9510604B (en) 1994-12-20 1996-07-03 Kimberly Clark Co Low gauge films and film/nonwoven laminates
JPH09227696A (ja) * 1996-02-20 1997-09-02 Elf Atochem Japan Kk プラスチックフイルム
US6677258B2 (en) 1996-05-29 2004-01-13 E. I. Du Pont De Nemours And Company Breathable composite sheet structure and absorbent articles utilizing same
US7307031B2 (en) 1997-05-29 2007-12-11 The Procter & Gamble Company Breathable composite sheet structure and absorbent articles utilizing same
US6258308B1 (en) 1996-07-31 2001-07-10 Exxon Chemical Patents Inc. Process for adjusting WVTR and other properties of a polyolefin film
AU7872198A (en) * 1996-12-20 1998-07-17 Kimberly-Clark Worldwide, Inc. Limited use products with elastic breathable film prepared by phase separation of an elastic base resin
WO1998029479A1 (en) * 1996-12-27 1998-07-09 Kimberly-Clark Worldwide, Inc. Elastomeric film including metallocene catalyzed polyethylene elastomer and method for making the same
US6015764A (en) 1996-12-27 2000-01-18 Kimberly-Clark Worldwide, Inc. Microporous elastomeric film/nonwoven breathable laminate and method for making the same
WO1998029246A1 (en) * 1996-12-27 1998-07-09 Kimberly-Clark Worldwide, Inc. Breathable laminate of nonwoven and elastomeric film including metallocene catalyzed polyethylene elastomer and method for making the same
US6111163A (en) 1996-12-27 2000-08-29 Kimberly-Clark Worldwide, Inc. Elastomeric film and method for making the same
ES2212146T3 (es) * 1996-12-27 2004-07-16 Kimberly-Clark Worldwide, Inc. Peliculas estables y transpirables de tenacidad mejorada y metodo para su fabricacion.
TW526066B (en) * 1996-12-27 2003-04-01 Kimberly Clark Co Stable and breathable films of improved toughness, their products, and the method of making the same
US5910136A (en) * 1996-12-30 1999-06-08 Kimberly-Clark Worldwide, Inc. Oriented polymeric microporous films with flexible polyolefins
US6045900A (en) 1997-09-15 2000-04-04 Kimberly-Clark Worldwide, Inc. Breathable filled film laminate
US6909028B1 (en) 1997-09-15 2005-06-21 Kimberly-Clark Worldwide, Inc. Stable breathable elastic garments
US6238767B1 (en) 1997-09-15 2001-05-29 Kimberly-Clark Worldwide, Inc. Laminate having improved barrier properties
US6187696B1 (en) 1997-12-03 2001-02-13 E. I. Du Pont De Nemours And Company Breathable composite sheet structure
US5938648A (en) * 1997-12-03 1999-08-17 The Procter & Gamble Co. Absorbent articles exhibiting improved internal environmental conditions
US6506695B2 (en) 1998-04-21 2003-01-14 Rheinische Kunststoffewerke Gmbh Breathable composite and method therefor
US6127444A (en) * 1998-09-01 2000-10-03 Shell Oil Company Polymeric compound, use of that compound in a foam production process, a foaming process, foamed compounds and articles containing foamed compounds
DE69911446T2 (de) 1998-10-16 2004-07-01 Exxonmobil Chemical Patents Inc., Baytown Verfahren zur herstellung von mikroporösen, atmungsfähigen polyethylenfolien
US6953510B1 (en) 1998-10-16 2005-10-11 Tredegar Film Products Corporation Method of making microporous breathable film
US6680265B1 (en) 1999-02-22 2004-01-20 Kimberly-Clark Worldwide, Inc. Laminates of elastomeric and non-elastomeric polyolefin blend materials
US6444302B1 (en) * 1999-09-01 2002-09-03 Exxonmobil Chemical Patents Inc. Breathable films and method for making
US6472445B1 (en) * 1999-12-27 2002-10-29 Tokuyama Corporation Polypropylene base porous film and production process for the same
CN1610608A (zh) * 2001-08-06 2005-04-27 陶氏环球技术公司 透气性膜
JP3886124B2 (ja) * 2002-10-28 2007-02-28 日東電工株式会社 多孔質フィルムの製造方法
US6737158B1 (en) * 2002-10-30 2004-05-18 Gore Enterprise Holdings, Inc. Porous polymeric membrane toughened composites
US7510758B2 (en) * 2002-11-12 2009-03-31 Kimberly-Clark Worldwide, Inc. Breathable elastic multilayer film laminate and method of making a breathable elastic multilayer film laminate
US20060147685A1 (en) * 2004-12-30 2006-07-06 Kimberly-Clark Worldwide, Inc. Multilayer film structure with higher processability
ES2682264T3 (es) * 2008-02-29 2018-09-19 Dow Global Technologies Llc Películas orientadas que comprenden un interpolímero de bloques de etileno/alfa-olefina
US9492332B2 (en) 2014-05-13 2016-11-15 Clopay Plastic Products Company, Inc. Breathable and microporous thin thermoplastic film
US20150376383A1 (en) * 2014-06-26 2015-12-31 The Procter & Gamble Company Films having low sound pressure levels
US10487199B2 (en) * 2014-06-26 2019-11-26 The Procter & Gamble Company Activated films having low sound pressure levels
PL3166785T3 (pl) * 2014-07-11 2021-06-14 Geox S.P.A. Sposób zapewnienia wodoodporności półwyrobów dla butów, rękawic, elementów odzieży i innych akcesoriów odzieżowych, półwyroby, którym zapewniono wodoodporność wymienionym sposobem, buty, rękawice, elementy odzieży i innych akcesoriów odzieżowych, wyposażone w wodoodporne półwyroby
CN105043958B (zh) * 2015-07-09 2017-11-03 新乡市中科科技有限公司 一种微孔膜孔隙率的测试方法
US11472085B2 (en) 2016-02-17 2022-10-18 Berry Plastics Corporation Gas-permeable barrier film and method of making the gas-permeable barrier film
WO2018139655A1 (ja) 2017-01-30 2018-08-02 クラレプラスチックス株式会社 多孔シートおよび多孔複合体
US20180346678A1 (en) * 2017-05-30 2018-12-06 Bose Corporation Breathable earpieces
US11584111B2 (en) 2018-11-05 2023-02-21 Windmoeller & Hoelscher Kg Breathable thermoplastic film with reduced shrinkage
JP7448407B2 (ja) * 2020-04-09 2024-03-12 タキロンシーアイ株式会社 伸縮フィルム及びその製造方法

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IE51473B1 (en) * 1980-08-13 1986-12-24 Smith & Nephew Ass Polymer blend films,their preparation and use
DE3277120D1 (en) * 1981-06-09 1987-10-08 Mitsubishi Chem Ind Process for producing porous film or sheet
US4698372A (en) * 1985-09-09 1987-10-06 E. I. Du Pont De Nemours And Company Microporous polymeric films and process for their manufacture
JPS6414023A (en) * 1987-07-08 1989-01-18 Tonen Sekiyukagaku Kk Manufacture of composite film permeable to gas
JP2505517B2 (ja) * 1988-02-12 1996-06-12 積水化学工業株式会社 透湿性フィルムもしくはシ―ト用樹脂組成物並びに透湿性フィルムもしくはシ―ト及びその製造方法
JPH0715021B2 (ja) * 1988-03-28 1995-02-22 日東電工株式会社 延伸多孔質フィルムおよびその製造方法
JPH01266150A (ja) * 1988-04-19 1989-10-24 Showa Electric Wire & Cable Co Ltd 透湿性フィルム
JPH03149233A (ja) * 1989-11-06 1991-06-25 Showa Electric Wire & Cable Co Ltd 透湿性伸縮フィルム
US5126391A (en) * 1990-04-27 1992-06-30 Mitsubishi Petrochemical Co., Ltd. Filler-containing stretched film
JPH0550522A (ja) * 1991-08-19 1993-03-02 Tonen Chem Corp 微細多孔性エラストマーフイルムの製造方法

Also Published As

Publication number Publication date
CN1113179A (zh) 1995-12-13
TW283719B (es) 1996-08-21
KR950016853A (ko) 1995-07-20
DE69407149D1 (de) 1998-01-15
US5445862A (en) 1995-08-29
DE69407149T2 (de) 1998-03-26
EP0659808A1 (en) 1995-06-28
CN1056116C (zh) 2000-09-06
EP0659808B1 (en) 1997-12-03
KR100320643B1 (ko) 2002-06-20

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