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Perfluorodioxole membranes 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-053/22
  • B01D-071/32
출원번호 US-0538066 (1990-06-13)
발명자 / 주소
  • Nemser Stuart M. (Wilmington DE) Roman Ian C. (Wilmington DE)
출원인 / 주소
  • Du Pont Canada Inc. (Mississauga CAX 03)
인용정보 피인용 횟수 : 112  인용 특허 : 0

초록 ▼

A selectively permeable membrane for the separation or enrichment of gaseous mixtures may be formed from amorphous polymers of perfluoro-2,2-dimethyl-1,3-dioxole, especially copolymers with a complementary amount of at least one of tetrafluoroethylene, perfluoromethyl vinyl ether, vinylidene fluorid

대표청구항 ▼

A method for the enrichment of the amount of a gaseous organic compound in a gaseous admixture of said organic compound and at least one of oxygen and nitrogen, said method comprising: (a) providing in a membrane separation cell a selectively permeable membrane having a feed side and a permeate side

이 특허를 인용한 특허 (112)

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