DE69312094D1 - Zusammengesetzte faser aus vermischten glasfasern und polytetrafluoroethylen und verfahren zu ihrer herstellung - Google Patents

Zusammengesetzte faser aus vermischten glasfasern und polytetrafluoroethylen und verfahren zu ihrer herstellung

Info

Publication number
DE69312094D1
DE69312094D1 DE69312094T DE69312094T DE69312094D1 DE 69312094 D1 DE69312094 D1 DE 69312094D1 DE 69312094 T DE69312094 T DE 69312094T DE 69312094 T DE69312094 T DE 69312094T DE 69312094 D1 DE69312094 D1 DE 69312094D1
Authority
DE
Germany
Prior art keywords
polytetrafluoroethylene
production
glass fibers
mixed glass
fiber
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
DE69312094T
Other languages
English (en)
Other versions
DE69312094T2 (de
Inventor
Robert Sassa
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.)
WL Gore and Associates Inc
Original Assignee
WL Gore and Associates 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
Application filed by WL Gore and Associates Inc filed Critical WL Gore and Associates Inc
Publication of DE69312094D1 publication Critical patent/DE69312094D1/de
Application granted granted Critical
Publication of DE69312094T2 publication Critical patent/DE69312094T2/de
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
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04—Cleaning filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/086—Filter cloth, i.e. woven, knitted or interlaced material of inorganic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1692—Other shaped material, e.g. perforated or porous sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/16—Yarns or threads made from mineral substances
    • D02G3/18—Yarns or threads made from mineral substances from glass or the like
    • D02G3/182—Yarns or threads made from mineral substances from glass or the like the glass being present only in part of the structure
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0241—Types of fibres, filaments or particles, self-supporting or supported materials comprising electrically conductive fibres or particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material
    • B01D2239/0478—Surface coating material on a layer of the filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/064—The fibres being mixed
    • 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
    • Y10S57/00—Textiles: spinning, twisting, and twining
    • Y10S57/908—Jet interlaced or intermingled
    • 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
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
    • Y10T428/2924—Composite
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2956—Glass or silicic fiber or filament with metal coating
    • 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]
    • Y10T428/3154—Of fluorinated 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]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • Y10T428/31544—Addition polymer is perhalogenated
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/313—Strand material formed of individual filaments having different chemical compositions
    • Y10T442/3138—Including inorganic filament

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)
  • Filtering Materials (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Reinforced Plastic Materials (AREA)
DE69312094T 1993-03-16 1993-04-13 Zusammengesetzte faser aus vermischten glasfasern und polytetrafluoroethylen und verfahren zu ihrer herstellung Expired - Lifetime DE69312094T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3367893A 1993-03-16 1993-03-16
PCT/US1993/003477 WO1994021846A1 (en) 1993-03-16 1993-04-13 Composite fiber of commingled fiberglass and polytetrafluoroethylene and method of producing same

Publications (2)

Publication Number Publication Date
DE69312094D1 true DE69312094D1 (de) 1997-08-14
DE69312094T2 DE69312094T2 (de) 1997-10-30

Family

ID=21871800

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312094T Expired - Lifetime DE69312094T2 (de) 1993-03-16 1993-04-13 Zusammengesetzte faser aus vermischten glasfasern und polytetrafluoroethylen und verfahren zu ihrer herstellung

Country Status (7)

Country Link
US (3) US5549966A (de)
EP (1) EP0689622B1 (de)
JP (1) JPH08508316A (de)
AU (1) AU674003B2 (de)
CA (1) CA2155325C (de)
DE (1) DE69312094T2 (de)
WO (1) WO1994021846A1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994021846A1 (en) * 1993-03-16 1994-09-29 W.L. Gore & Associates, Inc. Composite fiber of commingled fiberglass and polytetrafluoroethylene and method of producing same
BR9400435A (pt) * 1994-02-04 1995-10-17 Manegro Comercio Ltda Fita composta para fabricação de gaxetas trançadas gaxeta trançada e processo de formação da referida fita composta
ATE248242T1 (de) * 1994-10-04 2003-09-15 Daikin Ind Ltd Polytetrafluorethylenfaser, baumwollartiges diese faser enthaltendes material und verfahren zu deren herstellung
US6317292B1 (en) 1994-10-18 2001-11-13 Iomega Corporation PTFE fiber based liner for flexible high density magnetic media
FR2729088B1 (fr) * 1995-01-05 1997-03-28 Genevet Sa Manches filtrantes pour filtres a manches
TW357200B (en) * 1995-09-13 1999-05-01 Owens Corning Fiberglas Tech Unidirectional fabric and method and apparatuses for forming the same
US5876537A (en) * 1997-01-23 1999-03-02 Mcdermott Technology, Inc. Method of making a continuous ceramic fiber composite hot gas filter
US6008146A (en) * 1997-09-02 1999-12-28 Gore Enterprise Holdings, Inc. Filter material and cartridge filters made therefrom
US6132866A (en) * 1998-01-28 2000-10-17 E. I. Du Pont De Nemours And Company Yarn blend for friction applications
US6341483B1 (en) 1999-05-13 2002-01-29 Supreme Elastic Corporation Multi-component yarn and making the same
US6349531B1 (en) 1999-05-13 2002-02-26 Supreme Elastic Corporation Multipart component for a cut resistant composite yarn and method of making
US6293410B1 (en) 1999-06-29 2001-09-25 Mahle-Parr Filter Systems, Inc. No-cure fuel filter and method for making same
DE10014678C2 (de) * 2000-03-17 2002-02-07 Siemens Ag Filterbeutel
US6381940B1 (en) 2000-04-19 2002-05-07 Supreme Elastic Corporation Multi-component yarn and method of making the same
US6734122B1 (en) 2001-11-16 2004-05-11 Bgf Industries, Inc. Fabric for high-temperature gaseous filtration applications
US20040128961A1 (en) * 2002-05-10 2004-07-08 U.F. Strainrite Corporation Filter bag and method of manufacture thereof
US20030208998A1 (en) * 2002-05-10 2003-11-13 U.F. Strainrite Corporation Filter bag and method of manufacture thereof
US6758743B1 (en) 2002-05-13 2004-07-06 Lockheed Martin Corporation Venting system for use with composite structures
US7442352B2 (en) * 2003-06-20 2008-10-28 Gore Enterprise Holdings, Inc. Flue gas purification process using a sorbent polymer composite material
US9334587B2 (en) * 2005-02-11 2016-05-10 W. L. Gore & Associates, Inc. Fluoropolymer fiber composite bundle
US7296394B2 (en) * 2005-02-11 2007-11-20 Gore Enterprise Holdings, Inc. Fluoropolymer fiber composite bundle
US20060182962A1 (en) * 2005-02-11 2006-08-17 Bucher Richard A Fluoropolymer fiber composite bundle
US7409815B2 (en) * 2005-09-02 2008-08-12 Gore Enterprise Holdings, Inc. Wire rope incorporating fluoropolymer fiber
WO2007066826A1 (ja) * 2005-12-09 2007-06-14 Sumitomo Chemical Company, Limited 油水分離フィルター及び油水分離装置
RU2501216C2 (ru) * 2008-10-14 2013-12-20 Уай. Джи Кей КО., ЛТД. Рыболовная леска, содержащая объединенную композитную нить, включающую короткое волокно
US8281716B2 (en) 2008-12-24 2012-10-09 Printing Research, Inc. Anti-marking jackets comprised of fluoropolymer and methods of using in offset printing
US8578853B2 (en) * 2008-12-24 2013-11-12 Printing Research, Inc. Anti-marking jackets comprised of attachment structure and methods of using in offset printing
CN101879390B (zh) * 2010-06-09 2012-10-17 宋朋泽 耐高温复合玻纤滤料及其制备方法
US8424453B2 (en) 2010-09-01 2013-04-23 Printing Research, Inc. Apparatus and method for adjusting anti-marking jackets
US8677899B2 (en) 2011-01-31 2014-03-25 Printing Research, Inc. Reversible anti-marking jackets and methods of using
CN103608400A (zh) * 2011-04-29 2014-02-26 美国比尔特里特（加拿大）有限责任公司 表面覆盖材料和产品
CA2846615A1 (en) * 2011-09-13 2013-03-21 Owens Corning Intellectual Capital, Llc Granule coated waterproof roofing membrane
US8790432B2 (en) * 2012-04-27 2014-07-29 W. L. Gore & Associates, Inc. Seam-sealed filters and methods of making thereof
US9346258B2 (en) 2012-05-02 2016-05-24 Printing Research, Inc. Method for cleaning anti-marking jackets
EP2973908A1 (de) 2013-03-13 2016-01-20 Federal-Mogul Powertrain, Inc. Selbstwickelnde eptfe-textilhülse und konstruktionsverfahren dafür
CA3076459C (en) 2017-11-03 2021-03-16 American Biltrite (Canada) Ltd. Resilient surface coverings and methods of making and using thereof
US11434176B2 (en) 2017-12-11 2022-09-06 Rolls-Royce High Temperature Composites Inc. Fugitive fiber commingling to provide loft in ceramic fiber tows
CN111389095A (zh) * 2020-04-06 2020-07-10 台州市皓天产业用布股份有限公司 高硅氧聚四氟乙烯覆膜滤布

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US3438841A (en) * 1965-03-03 1969-04-15 Marlo Co Inc Packing material
CA962021A (en) * 1970-05-21 1975-02-04 Robert W. Gore Porous products and process therefor
US3815468A (en) * 1972-01-20 1974-06-11 Textron Inc Braided fabric bearing liner
US4026863A (en) * 1976-06-07 1977-05-31 Asahi Glass Co., Ltd. Fluorocarbon polymer composite containing a treated filler
US4362069A (en) * 1979-04-02 1982-12-07 Markel Corporation High efficiency, abrasion resistant product and process
FR2473124A1 (fr) * 1980-01-04 1981-07-10 Marteau D Autry Eric Dispositif de prelevement et de distribution de volumes reglables de liquides, a affichage numerique
US4361619A (en) * 1981-05-20 1982-11-30 E. I. Du Pont De Nemours And Company Filter of poly(tetrafluoroethylene) and glass fibers
US4612237A (en) * 1985-12-13 1986-09-16 E. I. Du Pont De Nemours And Company Hydraulically entangled PTFE/glass filter felt
US5188892A (en) * 1986-10-31 1993-02-23 E. I. Du Pont De Nemours And Company Spun textile yarns
US5206085A (en) * 1987-08-13 1993-04-27 Across Co., Ltd. Preformed yarn useful for forming composite articles and process for producing same
US4975321A (en) * 1988-06-20 1990-12-04 E. I. Du Pont De Nemours And Company Structural composites of fluoropolymers reinforced with continuous filament fibers
US4840838A (en) * 1988-09-08 1989-06-20 E. I. Du Pont De Nemours And Company High temperature filter felt
US4985296A (en) * 1989-03-16 1991-01-15 W. L. Gore & Associates, Inc. Polytetrafluoroethylene film
WO1994021846A1 (en) * 1993-03-16 1994-09-29 W.L. Gore & Associates, Inc. Composite fiber of commingled fiberglass and polytetrafluoroethylene and method of producing same

Also Published As

Publication number Publication date
AU674003B2 (en) 1996-12-05
US5456983A (en) 1995-10-10
AU4049093A (en) 1994-10-11
US5549966A (en) 1996-08-27
US5667611A (en) 1997-09-16
CA2155325C (en) 1999-07-13
CA2155325A1 (en) 1994-09-29
EP0689622B1 (de) 1997-07-09
DE69312094T2 (de) 1997-10-30
EP0689622A1 (de) 1996-01-03
JPH08508316A (ja) 1996-09-03
WO1994021846A1 (en) 1994-09-29

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