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특허 상세정보

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Liquid absorbent solutions for separating nitrogen from natural gas

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C01B-021/06    B01D-053/14   
미국특허분류(USC) 252/184 ; 423/219 ; 423/235 ; 423/351 ; 502/034 ; 556/018 ; 556/021 ; 556/057 ; 556/146 ; 556/150
출원번호 US-0631190 (1996-04-11)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Chernoff, Vilhauer, McClung & Stenzel, LLP
인용정보 피인용 횟수 : 55  인용 특허 : 8
초록

Nitrogen-absorbing and -desorbing compositions, novel ligands and transition metal complexes, and methods of using the same, which are useful for the selective separation of nitrogen from other gases, especially natural gas.

대표
청구항
▼

[ What is claimed is:] [1.] A nitrogen-absorbing and -desorbing composition consisting essentially of a solvent with a solubility parameter of .gtoreq.20 MPa.sup.1/2 and a transition metal complex, said complex comprising(a) a metal selected from Cr, W, Mn, Fe, Co and Ni;(b) at least one reversibly bound molecular nitrogen ligand; and(c) at least one other monodentate or multidentate ligand that, together with said at least one molecular nitrogen ligand provides four, five or six coordinating atoms to the metal rein said transition metal complex is prese...

이 특허에 인용된 특허 (8)

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이 특허를 인용한 특허 피인용횟수: 55

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