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특허 상세정보

Membranes comprising aminoacid salts in polyamine polymers and blends

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-069/00    B01D-071/06    C08K-005/17    C08K-005/19   
미국특허분류(USC) 951/39 ; 52/430.0 ; 52/430.1 ; 26/421.2 ; 52/505.6 ; 52/505.7 ; 52/506.1 ; 52/519.1 ; 52/521.7
출원번호 US-0200066 (1998-11-25)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Hantman
인용정보 피인용 횟수 : 41  인용 특허 : 1
초록

The present invention is directed toward a composition comprising a polyamine or its polymer blend and at least one salt of an aminoacid, the salt of the aminoacid being present in an amount ranging from about 10 to 80 wt % based on the total weight of the composition. Another embodiment of the present invention comprises a membrane suitable for use in separating CO.sub.2 from gas streams containing CO.sub.2, especially H.sub.2 rich gas streams containing CO.sub.2 and CO. The membrane of this invention with polyamine shows higher CO.sub.2 selectivity and...

대표
청구항

[ What is claimed is:] [1.] A membrane formed from a composition comprising:(a) a polyamine or its polymer blend,(b) at least one salt of an aminoacid, the salt of the aminoacid being present in an amount ranging from about 10 to about 80 wt % based on the total weight of the composition, wherein the aminoacid salt is selected from salts having the formulae: [ STR 3 ] wherein R.sub.1, R.sub.2 and R.sub.3 are hydrogen or alkyl groups having from 1 to 4 carbon atoms, n is an integer ranging from 0 to 4, A.sup.m+ is a cation having a valence of 1 to 3 and s...

이 특허를 인용한 특허 피인용횟수: 41

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  2. Jiang, Dayue David. Amino acid salt articles and methods of making and using them. USP2013088500880.
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