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Ultraporous and microporous integral membranes 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-029/00
출원번호 US-0838694 (1992-02-21)
발명자 / 주소
  • Zepf Robert F. (San Diego CA)
출원인 / 주소
  • Memtec America Corporation (Timonium MD 02)
인용정보 피인용 횟수 : 80  인용 특허 : 0

초록 ▼

Ultraporous and microporous polymer membranes cast from metastable dispersions are significantly improved by limiting the time of environmental exposure to less than about 0.5, preferably less than 0.25 seconds, between casting and quenching, and reducing the casting temperatures about 10°to about 2

대표청구항 ▼

An asymmetric integral skinned polymer membrane comprising: A. a pourous skin having skin pores with a controlling diameter within the range of from about 0.001 micrometers to about 0.5 micrometers, and a standard deviation of pore diameter, as determined by the bubble point methods, of less than 3,

이 특허를 인용한 특허 (80)

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  71. Kokish,Arkady; Snyder,Charles, Stent mandrel fixture and system for reducing coating defects.
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  73. Villareal,Plaridel K., Stent mounting device and a method of using the same to coat a stent.
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  78. Malik, Shamim M.; Mukherjee, Avijit, TiNxOy Modified surface for an implantable device and a method of producing the same.
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