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Irradiated expanded polytetrafluoroethylene composites, and devices using them, and processes for making them 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-019/00
출원번호 US-0287811 (1988-12-21)
발명자 / 주소
  • Bowser John J. (Newark DE) Hyde Christopher T. (Lincoln University PA)
출원인 / 주소
  • W. L. Gore & Associates, Inc. (Newark DE 02)
인용정보 피인용 횟수 : 61  인용 특허 : 18

초록 ▼

Radiation resistant composites made of adjacent layers of a microporous hydrophobic polytetrafluoroethylene layer and one or more supporting layers made of woven metal material or woven synthetic organic polymeric material and a microporous hydrophobic polytetrafluoroethylene membrane are described.

대표청구항 ▼

A radiation-resistant polytetrafluoroethylene composite comprising: (a) a layer of woven metal material which has an elongation of less than 25% after 100 hours under a load of 2.0 pounds per inch, and (b) a layer of microporous hydrophobic polytetrafluoroethylene membrane, wherein the properties of

이 특허에 인용된 특허 (18)

  1. Tamura Tadashi (Shiga JPX), Air filter.
    상세보기
  2. Withers Michael S. (Landenberg PA), Apparatus for making a web-supported membrane.
    상세보기
  3. Saville Mark K. (Newark DE) Gorak ; Jr. William J. (Elkton MD) Bove Ronald L. (Newark DE), Breathable, non-linting laminate.
    상세보기
  4. Shibata Yoshihiko (Okayama JPX) Ichiyasu Satoshi (Okayama JPX) Omori Kanako (Okayama JPX), Degassing tube.
    상세보기
  5. Fagan Joseph P. (Huntington CT), Felt-like layered composite of PTFE and glass paper.
    상세보기
  6. Denny Thomas E. (Newark DE), Fibrillated polytetrafluoroethylene woven filter fabric.
    상세보기
  7. Ruschke Ricky R. (McHenry IL), Gas separating and venting filter.
    상세보기
  8. Schulz Horst (Hanover DT), Gas-permeable, liquid-tight closure.
    상세보기
  9. Oshitari Yoshimi (10-8 ; 1-Chome ; Hon-Cho Tanashi City ; Tokyo-To JPX 188), High performance gas filter assembly.
    상세보기
  10. Rising Donald B. (Stow MA) Naegeli ; Jr. Richard G. (Bedford MA), I.V. Filter apparatus.
    상세보기
  11. Daly Robert (Haverhill MA) Rebe Paul E. (Derry NH), Membrane filter tube and method of preparation.
    상세보기
  12. Ruschke Ricky R. (McHenry IL), Method of mounting a filter membrane.
    상세보기
  13. Gore Robert W. (Newark DE), Porous products and process therefor.
    상세보기
  14. Goldberg Bruce S. (Clifton NJ) Loft John T. (Summit NJ), Reverse osmosis apparatus.
    상세보기
  15. Degen Peter J. (Huntington NY) Gsell Thomas C. (Glen Cove NY), Supported microporous membrane.
    상세보기
  16. Briggs Peter J. (Sompting GB2) Carpenter Steven (Chichester GB2), Surgical drainage bags.
    상세보기
  17. Vaillancourt Vincent L. (Livingston NJ), Vented flexible filtration device for use in administering parenteral liquids.
    상세보기
  18. Moriarty ; Lawrence James, Water-proof air-pressure equalizing valve.
    상세보기

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