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ES2049919T3 - Membrana porosa de fluoruro de polivinilideno y metodo para su fabricacion. - Google Patents

Membrana porosa de fluoruro de polivinilideno y metodo para su fabricacion.

Info

Publication number
ES2049919T3
ES2049919T3 ES90300384T ES90300384T ES2049919T3 ES 2049919 T3 ES2049919 T3 ES 2049919T3 ES 90300384 T ES90300384 T ES 90300384T ES 90300384 T ES90300384 T ES 90300384T ES 2049919 T3 ES2049919 T3 ES 2049919T3
Authority
ES
Spain
Prior art keywords
polyvinylidene fluoride
porous membrane
manufacture
layroid
membrane
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
ES90300384T
Other languages
English (en)
Inventor
Yoshinao Doi
Haruo Matsumura
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Application granted granted Critical
Publication of ES2049919T3 publication Critical patent/ES2049919T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/02—Hydrophilization
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
    • C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/16—Homopolymers or copolymers of vinylidene fluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

UNA MEMBRANA POROSA QUE COMPRENDE UNA RESINA DE FLUORURO DE POLIVINILIDENO QUE TIENE UNA ESTRUCTURA POROSA UNIFORME EN RED TRIDIMENSIONAL. LA MEMBRANA TIENE UNA EXCELENTE RESISTENCIA QUIMICA, EXCELENTES CARACTERISTICAS DE FILTRACION Y EXCELENTES PROPIEDADES MECANICAS. LA MEMBRANA POROSA PUEDE PRODUCIRSE UNIENDO UNA RESINA DE FLUORURO DE POLIVINILIDENO, UN LIQUIDO ORGANICO Y UN SILICE HIDROFOBICO EN POLVO, SOMETIENDO LA MEZCLA RESULTANTE A UN MOLDEO POR FUSION PARA FORMAR UNA MEMBRANA, Y EXTRAYYENDO EL LIQUIDO ORGANICO Y LA SILICA HIDROFOBICA DE LA MEMBRANA MOLDEADA POR FUSION.
ES90300384T 1989-01-12 1990-01-12 Membrana porosa de fluoruro de polivinilideno y metodo para su fabricacion. Expired - Lifetime ES2049919T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP367589 1989-01-12

Publications (1)

Publication Number Publication Date
ES2049919T3 true ES2049919T3 (es) 1994-05-01

Family

ID=11564000

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90300384T Expired - Lifetime ES2049919T3 (es) 1989-01-12 1990-01-12 Membrana porosa de fluoruro de polivinilideno y metodo para su fabricacion.

Country Status (4)

Country Link
US (1) US5022990A (es)
EP (1) EP0378441B1 (es)
DE (1) DE69007130T2 (es)
ES (1) ES2049919T3 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2177380A1 (es) * 2000-02-09 2002-12-01 Univ Granada Procedimiento para la eliminacion de contaminantes biologicos del agua.
ES2228241A1 (es) * 2003-02-20 2005-04-01 Tratasa 2000, S.L. Procedimiento para fabricar un filtro para agua y otros fluidos.

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5489406A (en) * 1990-05-09 1996-02-06 Memtec Limited Method of making polyvinylidene fluoride membrane
EP0734759B1 (en) * 1990-05-09 1999-02-03 USF Filtration Limited Polyvinylidene fluoride membrane
US5183607A (en) * 1991-12-17 1993-02-02 Beall George H Polymer membranes for separation process
US5480554A (en) * 1992-05-13 1996-01-02 Pall Corporation Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
US5788862A (en) * 1992-05-13 1998-08-04 Pall Corporation Filtration medium
CA2100643A1 (en) * 1992-08-14 1994-02-15 Guido Sartori Fluorinated polyolefin membranes for aromatics/saturates separation
US5275766A (en) * 1992-10-30 1994-01-04 Corning Incorporate Method for making semi-permeable polymer membranes
US5438129A (en) * 1993-09-27 1995-08-01 Becton Dickinson And Company DNA purification by solid phase extraction using partially fluorinated aluminum hydroxide adsorbant
US5514461A (en) * 1993-10-05 1996-05-07 Kureha Chemical Industry Co., Ltd. Vinylidene fluoride porous membrane and method of preparing the same
CA2128296A1 (en) * 1993-12-22 1995-06-23 Peter John Degen Polyvinylidene fluoride membrane
WO1997022405A1 (fr) * 1995-12-18 1997-06-26 Asahi Kasei Kogyo Kabushiki Kaisha Membrane de filtration du type a fibre creuse
US6074718A (en) * 1996-02-06 2000-06-13 Koch Membrane Systems, Inc. Self supporting hollow fiber membrane and method of construction
US5728121A (en) * 1996-04-17 1998-03-17 Teleflex Medical, Inc. Surgical grasper devices
US6126671A (en) * 1996-10-07 2000-10-03 Tfx Medical, Incorporated Grasping devices and articles
CN1147352C (zh) * 1996-12-10 2004-04-28 旭化成株式会社 聚偏氟乙烯树脂多孔膜及其制备方法
US20040135274A1 (en) * 1998-03-16 2004-07-15 Shigenobu Matsuda Microporous membrane
AU736329B2 (en) * 1998-06-22 2001-07-26 Asahi Kasei Kabushiki Kaisha Porous polyvinylidene fluoride resin membrane and process for preparing the same
US6295986B1 (en) * 2000-01-12 2001-10-02 Aradigm Corporation Reactive ion etching method of fabricating nozzles for aerosolized delivery of therapeutic or diagnostic agents
JP3781679B2 (ja) * 2000-01-18 2006-05-31 旭化成ケミカルズ株式会社 懸濁水の膜濾過浄化方法
US6582810B2 (en) 2000-12-22 2003-06-24 Kimberly-Clark Worldwide, Inc. One-step method of producing an elastic, breathable film structure
DE60228057D1 (es) * 2001-03-06 2008-09-18 Asahi Kasei Chemicals Corp
US6596167B2 (en) 2001-03-26 2003-07-22 Koch Membrane Systems, Inc. Hydrophilic hollow fiber ultrafiltration membranes that include a hydrophobic polymer and a method of making these membranes
JP5062798B2 (ja) 2001-10-04 2012-10-31 東レ株式会社 中空糸膜の製造方法
KR100980571B1 (ko) * 2002-06-14 2010-09-06 도레이 카부시키가이샤 다공질막 및 그의 제조 방법
CN1312335C (zh) * 2002-08-05 2007-04-25 东丽株式会社 多孔纤维
US7913611B2 (en) * 2002-09-03 2011-03-29 University Of Virginia Patent Foundation Blast and ballistic protection systems and method of making the same
US7165682B1 (en) * 2003-07-16 2007-01-23 Accord Partner Limited Defect free composite membranes, method for producing said membranes and use of the same
US7172075B1 (en) * 2003-08-08 2007-02-06 Accord Partner Limited Defect free composite membranes, method for producing said membranes and use of the same
US7338692B2 (en) 2003-09-12 2008-03-04 3M Innovative Properties Company Microporous PVDF films
CN101288829A (zh) * 2003-10-03 2008-10-22 株式会社吴羽 1,1-二氟乙烯类树脂多孔中空丝及其制造方法
US20050155926A1 (en) * 2003-10-20 2005-07-21 Kim Kwon I. System and method for synthesizing a polymer membrane
US20050142280A1 (en) * 2003-10-20 2005-06-30 Kim Kwon I. System and method for synthesizing a polymer membrane
US20090206035A1 (en) * 2005-02-15 2009-08-20 Kureha Corporation Vinylidene Fluoride Resin Hollow Filament Porous Membrane, Water Filtration Method Using the Same, and Process for Producing Said Vinylidene Fluoride Resin Hollow Filament Porous Membrane
EP2260931B1 (en) * 2005-10-13 2018-12-26 Asahi Kasei Kabushiki Kaisha Porous multilayered hollow-fiber membrane
JP5076320B2 (ja) * 2006-01-11 2012-11-21 東洋紡績株式会社 ポリフッ化ビニリデン系中空糸型微多孔膜の製造方法
KR101310815B1 (ko) * 2006-03-16 2013-09-27 에치투엘 주식회사 중공사막 및 그의 제조방법
JPWO2008117740A1 (ja) * 2007-03-23 2010-07-15 株式会社クレハ フッ化ビニリデン系樹脂中空糸多孔膜およびその製造方法
CN101293185A (zh) * 2008-01-30 2008-10-29 清华大学 一种制备聚偏氟乙烯多孔膜的方法
EP2196254B1 (de) 2008-12-12 2011-10-12 Membrana GmbH Hydrophobe ozonstabile PVDF-Membran mit hoher mechanischer Stabilität
JP2010188426A (ja) * 2009-01-26 2010-09-02 Emprie Technology Development LLC 清拭シート
JP4526597B1 (ja) * 2009-01-26 2010-08-18 エンパイア テクノロジー ディベロップメント エルエルシー 細胞培養足場の製造方法
JP2010167388A (ja) * 2009-01-26 2010-08-05 Emprie Technology Development LLC ナノポーラス表面を有する製品の製造方法
US9132390B2 (en) 2009-03-26 2015-09-15 Bl Technologies Inc. Non-braided reinforced holow fibre membrane
BRPI1010064A2 (pt) 2009-06-26 2016-04-19 Bl Technologies Inc "método para produzir uma membrana de fibra oca reforçada, aparelho para produzir uma membrana de fibra oca e membrana de fibra oca"
CN102085457B (zh) * 2009-12-07 2013-01-02 广州美能材料科技有限公司 一种制备复合多层多孔中空纤维膜的方法及其装置和产品
JP6058250B2 (ja) 2010-04-12 2017-01-11 日東電工株式会社 粒子分散樹脂組成物、粒子分散樹脂成形体およびそれらの製造方法
US9847544B2 (en) 2010-04-12 2017-12-19 Nitto Denko Corporation Ion conductive organic-inorganic composite particles, particle-containing resin composition and ion conductive molded article
US9211506B2 (en) 2010-09-02 2015-12-15 The University Of Hong Kong Doping of inorganic minerals to hydrophobic membrane surface
CN102397759B (zh) * 2010-09-08 2014-05-14 绵阳美能材料科技有限公司 一种聚醚砜中空纤维滤膜及其制备方法
HUE061170T2 (hu) 2010-09-15 2023-05-28 Bl Technologies Inc Eljárás fonalerõsített üreges rost membránok elõállítására oldható mag körül
US8529814B2 (en) 2010-12-15 2013-09-10 General Electric Company Supported hollow fiber membrane
WO2013028308A1 (en) 2011-08-22 2013-02-28 Dow Global Technologies Llc Composite membrane formed from polymer blend including self-assembling block copolymers
US9321014B2 (en) 2011-12-16 2016-04-26 Bl Technologies, Inc. Hollow fiber membrane with compatible reinforcements
US9643129B2 (en) 2011-12-22 2017-05-09 Bl Technologies, Inc. Non-braided, textile-reinforced hollow fiber membrane
US9022229B2 (en) 2012-03-09 2015-05-05 General Electric Company Composite membrane with compatible support filaments
US8999454B2 (en) 2012-03-22 2015-04-07 General Electric Company Device and process for producing a reinforced hollow fibre membrane
US9227362B2 (en) 2012-08-23 2016-01-05 General Electric Company Braid welding
WO2014040171A1 (en) * 2012-09-11 2014-03-20 Universite Laval Microporous and hydrophobic polymeric hollow fiber membranes and methods for preparation thereof
KR101483740B1 (ko) * 2013-06-04 2015-01-16 주식회사 에코니티 비대칭성 폴리비닐리덴플루오라이드 중공사막의 제조방법 및 이로부터 제조된 중공사막
SG11201605067RA (en) 2014-01-10 2016-07-28 Asahi Chemical Ind Porous hollow fiber membrane, method for producing same, and water purification method
JP6613892B2 (ja) 2014-07-07 2019-12-04 東レ株式会社 分離膜およびその製造方法
EP3238814B1 (en) 2014-12-26 2020-08-12 Toray Industries, Inc. Porous hollow fiber membrane
JP6662305B2 (ja) * 2015-08-31 2020-03-11 東レ株式会社 多孔質中空糸膜
CN105126648B (zh) 2015-09-21 2018-03-09 江苏凯米膜科技股份有限公司 一种基于聚乙烯醇凝胶制备网络孔聚偏氟乙烯膜的方法
US11058996B2 (en) 2016-02-25 2021-07-13 Toray Industries, Inc. Porous hollow fiber membrane
US20190022601A1 (en) * 2016-03-09 2019-01-24 Asahi Kasei Kabushiki Kaisha Porous hollow fiber membrane, method for producing the same, and filtration method
CN105797591B (zh) * 2016-03-28 2019-01-18 上海应用技术学院 一种超疏水性聚偏氟乙烯微孔膜的制备方法
WO2018174279A1 (ja) 2017-03-24 2018-09-27 旭化成株式会社 膜蒸留用多孔質膜及び膜蒸留用モジュールの運転方法
CN114632428B (zh) * 2020-12-15 2023-01-20 中化(宁波)润沃膜科技有限公司 聚偏氟乙烯基膜、聚偏氟乙烯复合纳滤膜及其制备方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642668A (en) * 1969-01-03 1972-02-15 Polaroid Corp Microporous vinylidene fluoride polymer and process of making same
DE2165073A1 (de) * 1971-12-28 1973-07-12 Sartorius Membranfilter Gmbh Mehrschichten-filtermembrane, verfahren zu deren herstellung und deren verwendung
JPS4922472A (es) * 1972-06-22 1974-02-27
US3862030A (en) * 1972-12-13 1975-01-21 Amerace Esna Corp Microporous sub-micron filter media
US4203847A (en) * 1977-05-25 1980-05-20 Millipore Corporation Making porous membranes and the membrane products
US4203848A (en) * 1977-05-25 1980-05-20 Millipore Corporation Processes of making a porous membrane material from polyvinylidene fluoride, and products
CH625966A5 (es) * 1977-07-15 1981-10-30 Kilcher Chemie Ag
DE2816085B2 (de) * 1978-04-13 1981-04-23 Sartorius GmbH, 3400 Göttingen Asymmetrische Ultrafiltrationsmembrane auf der Basis von Zellulosehydrat
US4237083A (en) * 1979-02-13 1980-12-02 Evans Products Company Process of manufacturing a microporous sheet material
JPS5637836A (en) * 1979-08-31 1981-04-11 Pioneer Electronic Corp Replica making method for video disk
JPS5656202A (en) * 1979-10-15 1981-05-18 Asahi Chem Ind Co Ltd Hollow porous membrane yarn made of polyvinylidene fluoride type resin
DE3129745C2 (de) * 1981-07-28 1985-01-17 Hoechst Ag, 6230 Frankfurt Offenporig-mikroporös ausgebildeter Formkörper mit inhärenter latenter Strukturumwandelbarkeit
JPS5891732A (ja) * 1981-11-27 1983-05-31 Teijin Ltd ポリフツ化ビニリデン系樹脂多孔膜及びその製法
JPS5893734A (ja) * 1981-11-30 1983-06-03 Asahi Chem Ind Co Ltd 親水性ポリフツ化ビニリデン樹脂多孔膜の製造方法
JPS6097001A (ja) * 1983-11-02 1985-05-30 Teijin Ltd ポリフツ化ビニリデン多孔性膜およびその製造方法
GB8431549D0 (en) * 1984-12-13 1985-01-23 Weatherford Uk Ltd Rotating tubular member
GB2168981B (en) * 1984-12-27 1988-07-06 Asahi Chemical Ind Porous fluorine resin membrane and process for preparation thereof
NZ218971A (en) * 1986-01-21 1989-05-29 Mitsui Toatsu Chemicals Porous polyolefin films and their preparation
US4774132A (en) * 1986-05-01 1988-09-27 Pall Corporation Polyvinylidene difluoride structure
FR2600265B1 (fr) * 1986-06-20 1991-09-06 Rhone Poulenc Rech Membranes semi-permeables sechables et hydrophiles a base de polyfluorure de vinylidene
US4833172A (en) * 1987-04-24 1989-05-23 Ppg Industries, Inc. Stretched microporous material
US4806291A (en) * 1988-02-22 1989-02-21 Ionics, Incorporated Process for preparing microporous polyvinylidene fluoride membranes
IT1216467B (it) * 1988-02-26 1990-03-08 Separem Spa Membrana semipermeabile per la separazione di fluidi, procedimento per la sua preparazione e uso ditale membrana per microfiltrazione, distillazione, e tessuti speciali.
US4842741A (en) * 1988-03-25 1989-06-27 Du Pont Canada Inc. Heterogeneous membranes from highly filled thermoplastic orientable polymers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2177380A1 (es) * 2000-02-09 2002-12-01 Univ Granada Procedimiento para la eliminacion de contaminantes biologicos del agua.
ES2228241A1 (es) * 2003-02-20 2005-04-01 Tratasa 2000, S.L. Procedimiento para fabricar un filtro para agua y otros fluidos.

Also Published As

Publication number Publication date
EP0378441A2 (en) 1990-07-18
US5022990A (en) 1991-06-11
EP0378441A3 (en) 1990-11-14
EP0378441B1 (en) 1994-03-09
DE69007130T2 (de) 1994-10-13
DE69007130D1 (de) 1994-04-14

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