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ULPA filter 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-046/00
출원번호 US-0284314 (1994-07-29)
발명자 / 주소
  • George Nelson A. (North East MD) Sutsko Michael G. (Glen Mills PA) McKenna Douglas B. (Dover DE)
출원인 / 주소
  • W. L. Gore & Associates, Inc. (Newark DE 02)
인용정보 피인용 횟수 : 72  인용 특허 : 0

초록 ▼

An improved filter unit suitable for use in a variety of clean air filtration applications is taught. The filter unit employs continuous microporous filtration membranes, such as expanded polytetrafluoroethylene, to deliver exceptional filtration efficiencies on the order of 99.99999% at 0.1 m

대표청구항 ▼

A filter for use in clean facilities for filtering air of contaminates which comprises: a first filtration layer of microporous material; a second filtration layer of microporous material mounted parallel to the first filtration layer; at least one layer of support material mounted upstream of the f

이 특허를 인용한 특허 (72)

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