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Novel polyamide reverse osmosis membranes 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-013/00
출원번호 US-0122307 (1987-11-18)
발명자 / 주소
  • Fibiger Richard F. (Midland MI) Koo Ja-young (Plymouth MN) Forgach David J. (Midland MI) Petersen Robert J. (Minneapolis MN) Schmidt Donald L. (Midland MI) Wessling Ritchie A. (Midland MI) Stocker Th
출원인 / 주소
  • The Dow Chemical Company (Midland MI 02)
인용정보 피인용 횟수 : 72  인용 특허 : 0

초록 ▼

An improved composite polyamide membrane and methods of making the membrane are described. This improved membrane is prepared using a cationic polymeric wetting agent in an aqueous solution containing a polyfunctional amine reactant which is interfacially polymerized with an acyl halide to form a th

대표청구항 ▼

A composite reverse osmosis membrane comprising a polyamide discriminating layer on a microporous support wherein the polyamide discriminating layer is derived by reaction of a polyamine selected from the group consisting of piperazine, a substituted piperazine, a substituted piperidine containing a

이 특허를 인용한 특허 (72)

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  14. Paul, Mou; Mickols, William E., Composite polyamide membrane derived from an aliphatic acyclic tertiary amine compound.
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  21. Paul, Mou; Roy, Abhishek; Tomlinson, Ian A., Composite polyamide membrane post treated with nitrious acid.
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