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[미국특허] Method of preparaing a porous polytetrafluoroethylene membranne 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-043/24
  • B29C-055/04
  • B29C-055/12
출원번호 US-0056384 (1998-04-07)
발명자 / 주소
  • Newman David
  • Morizio Franco
  • Kidd Stanley
출원인 / 주소
  • Pall Corporation
대리인 / 주소
    Leydig, Voit & Mayer, Ltd.
인용정보 피인용 횟수 : 21  인용 특허 : 30

초록

The present invention relates to microporous and ultrafine polytetrafluoroethylene (PTFE) membranes of high permeability, excellent mechanical strength, and good chemical inertness, and to methods for their preparation. According to the method of the present invention, a porous PTFE substrate having

대표청구항

[ What is claimed is:] [1.] A method of preparing a porous polytetrafluoroethylene membrane comprising providing a substrate consisting essentially of polytetrafluoroethylene, stretching said substrate to introduce pores in said substrate such that said substrate is characterized by a first pore rat

이 특허에 인용된 특허 (30) 인용/피인용 타임라인 분석

  1. Adiletta Joseph G. (Thompson CT), Composite, supported fluorocarbon media.
  2. Rogers Charles E. (Chagrin Falls OH) Shen Zhong-He (Cleveland OH), Formation of porous membranes by mechanical deformation.
  3. Chao Kwang C. (Palo Alto CA) Porter Mark C. (Pleasanton CA), Method for forming microporous fluorocarbon polymer sheet and product.
  4. Shannon Donald (Mission Viejo CA) Kuo Chris (Orange CA) Peterson Robert (Dove Canyon CA) McCollam Chris (Irvine CA), Method for manufacturing porous fluoropolymer films.
  5. Somezawa ; Masashi ; Higuchi ; Shigetaka ; Shimizu ; Tatsuo ; Ishibashi ; Isao, Method for treating a magnetic recording medium.
  6. Zine Anthony R. (Corning NY), Method of forming PTFE membrane/gasket assembly.
  7. Ree Buren R. (Stillwater MN) Errede Louis A. (North Oaks MN) Jefson Gary B. (St. Paul MN) Langager Bruce A. (New Brighton MN), Method of making polytetrafluoroethylene composite sheet.
  8. Juillard Michel (Orsay FR) Bouy Pierre (Enghein-les-Bains FR), Method of obtaining a micro-porous membrane and novel product thus obtained.
  9. Degen Peter J. (Huntington NY) Harwood Colin F. (Glen Cove NY) Ronan John B. (Harrington Park NJ) Mei Jason (East Meadow NY), Method of preparing a support material for use with a filtration medium.
  10. Moreno, Carlos M.; Bridges, Robert D.; Uzee, Andre J., Method to produce a polytetra-fluoroethylene diaphragm.
  11. Lo Lawrence Y. (Fitchburg MA) Thomas Dwight J. (Zionsville IN), Microporous asymmetric polyfluorocarbon membranes.
  12. Nagou Satoshi (Tokuyama JPX) Nakamura Shunichi (Hikari JPX) Nishibayashi Takeshi (Tokuyama JPX), Microporous shaped article and process for preparation thereof.
  13. Sasshofer Franz (Seewalchen ATX) Reinmller Reinhard (Timelkam ATX) Schlossnikl Christian H. F. (Vcklabruck ATX) Wimmer Adalbert G. (Vcklabruck ATX), Monoaxially stretched shaped article of polytetrafluoroethylene and process for producing the same.
  14. Mortimer ; Jr. William P. (New Castle DE), Polytetrafluoroethylene film.
  15. Nakamura Atsushi (Fukuoka JPX) Nakashima Satoshi (Tokyo JPX), Polytetrafluoroethylene porous film.
  16. Tanaru Shinji (Osaka JPX) Tanaka Osamu (Osaka JPX) Nishibayashi Hirofumi (Osaka JPX) Inoue Osamu (Osaka JPX) Yamamoto Katsutoshi (Osaka JPX) Kusumi Toshio (Osaka JPX), Polytetrafluoroethylene porous film and preparation and use thereof.
  17. Nakamura Atsushi (Kanagawa JPX) Nakashima Satoshi (Tokyo JPX), Polytetrafluoroethylene porous film and process for preparing the same.
  18. Gore Robert W. (Newark DE), Porous products and process therefor.
  19. Bacino John (Landenberg PA), Porpous PTFE film and a manufacturing method therefor.
  20. House Wayne D. (Flagstaff AZ) Myers David J. (Camp Verde AZ), Process for making rapidly recoverable PTFE.
  21. Pall David B. (Roslyn Estates NY), Process for preparing hydrophilic polyamide membrane filter media and product.
  22. Kono Koichi (Saitama JPX) Mori Shoichi (Saitama JPX) Miyasaka Kenji (Saitama JPX) Tabuchi Jyoichi (Saitama JPX), Process for producing micro-porous membrane of ultra-high-molecular-weight alpha-olefin polymer, micro-porous membranes.
  23. Gore Robert W. (Newark DE), Process for producing porous products.
  24. Heckmann Klaus (Regensburg DEX) Manecke Georg (Berlin DEX) Pfannenmller Beate (Frieburg DEX) Ring Klaus (Frankfurt DEX) Ringsdorf Helmut (Mainz DEX), Process for the production of hyperfiltration membranes.
  25. Nobuo Kawahigashi (Kanagawa JPX) Shigesou Hashida (Kanagawa JPX) Yasunobu Kojima (Kanagawa JPX), Process for the production of polytetrafluoroethylene porous membranes.
  26. Chau C. C. (Midland MI) Im Jang-hi (Midland MI), Process of making a porous membrane.
  27. Yokoyama Takashi (Osaka JPX) Konishi Hajime (Ikoma JPX) Souma Naoko (Katano JPX), Process of making porous fluoroplastics membrane for an air depolarized battery.
  28. Shinjou Ietsugu (Shiga JPX) Shoji Rikuo (Moriyama JPX), Semipermeable membrane support.
  29. Shinjou Ietsugu (Shiga JPX) Shoji Rikuo (Moriyama JPX), Semipermeable membrane support and process for preparation thereof.
  30. Zepf Robert F. (San Diego CA), Ultraporous and microporous integral membranes.

이 특허를 인용한 특허 (21) 인용/피인용 타임라인 분석

  1. Chobotov, Michael V., Asymmetric stent apparatus and method.
  2. Watson, James; Li, Cheng; Morehous, Reva; Woodson, Teresa; Chobotov, Michael V.; Poppe, Carl, Delivery catheter for endovascular device.
  3. Martin, Gerald Ray; Watson, James R.; Zacharias, Isaac J., Delivery system and method for bifurcated graft.
  4. Tippett,Stephen W., Dry fibrillated PTFE film and its method of manufacture.
  5. Parsons, Dennis; Staudenmayer, Christopher; Watson, James, Durable stent graft with tapered struts and stable delivery methods and devices.
  6. Wano, Takashi; Higuchi, Hiroyuki; Kawabe, Masayoshi; Matsushima, Ryoichi; Yamamoto, Yoshinori; Yamashita, Koichiro, Method for producing laminated porous sheet comprising polytetrafluoroethylene and carbon particles.
  7. Luk, Michael; Sewell, Jeff; Hill, Jason, Method of uniaxially expanding a fluoropolymer product.
  8. Chobotov, Michael V.; Whirley, Robert G.; Humphrey, Joseph W., Modular vascular graft for low profile percutaneous delivery.
  9. Humphrey, Joseph W.; Skiba, Jeffrey B., PTFE layers and methods of manufacturing.
  10. Humphrey, Joseph W.; Skiba, Jeffrey B., PTFE layers and methods of manufacturing.
  11. Humphrey, Joseph W.; Skiba, Jeffry B., PTFE layers and methods of manufacturing.
  12. Humphrey, Joseph W.; Skiba, Jeffry B., PTFE layers and methods of manufacturing.
  13. Ruefer,Bruce G.; Marlow, Jr.,Leonard G.; Ruefer,Rebecca U.; Sharber,N. Joe, PTFE material with aggregations of nodes.
  14. Bacino, John E.; Hobson, Alex R.; Strid, Jason J., Porous PTFE materials and articles produced therefrom.
  15. Bacino,John E.; Hobson,Alex R.; Strid,Jason J., Porous PTFE materials and articles produced therefrom.
  16. Newman David ; Morizio Franco ; Kidd Stanley, Porous polytetrafluoroethylene membrane.
  17. John Michael Cotte ; Kenneth John McCullough ; Wayne Martin Moreau ; Keith R. Pope ; John P. Simons ; Charles J. Taft, Process and apparatus for cleaning filters.
  18. Glynn, Brian A., Stent and delivery system for deployment thereof.
  19. McClary, Bradley Marshall; Poddar, Tarun, Surface-modified fluoropolymer membrane.
  20. McClary, Bradley Marshall; Poddar, Tarun, Surface-modified fluoropolymer membrane.
  21. Zacharias, Isaac J.; Aristizabal, Diego; Mohn, Michael; Chobotov, Michael V., System and method of pivoted stent deployment.

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