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특허 상세정보

Thin film gas separation membranes

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/22    B01D-071/64    C08G-073/10   
미국특허분류(USC) 096/010; 096/004; 096/014; 095/051; 095/054; 095/055
출원번호 US-0389426 (2011-06-17)
등록번호 US-8758491 (2014-06-24)
국제출원번호 PCT/CN2011/001008 (2011-06-17)
§371/§102 date 20120207 (20120207)
국제공개번호 WO2012/171143 (2012-12-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Shimokaji & Assoc., P.C.
인용정보 피인용 횟수 : 0  인용 특허 : 17
초록

A gas separation membrane comprises aromatic polyimide polymers that comprise a plurality of repeating units of formula (I) wherein X1 and Ar are herein defined.

대표
청구항

1. A gas separation membrane comprising aromatic polyimide polymers that comprise a plurality of repeating units of formula: and/or and/or wherein: n is from 1 to 10,000;p is from 10 to 1000 and, for each p, n and m are independently from 1 to 10,000; andz is from 10 to 1000 and, for each z, x and y are independently from 1 to 10,000. 2. The gas separation membrane of claim 1, wherein the aromatic polyimide polymers include at least one repeating unit of formula: 3. The gas separation membrane of claim 1, wherein the membrane has a shape of a cylinde...

이 특허에 인용된 특허 (17)

  1. Kase, Yoji; Yoshinaga, Toshimune; Fukunaga, Kenji; Hoshino, Harutoshi. Asymmetric hollow-fiber gas separation membrane, gas separation method and gas separation membrane module. USP2010097803214.
  2. Liu, Chunqing; Minkov, Raisa; Faheem, Syed A.; Bowen, Travis C.; Chiou, Jeffrey J.. High permeance polyimide membranes for air separation. USP2013028366804.
  3. Chung Tai-Shung (Randolph NJ) Kafchinski Edward R. (Winfield NJ). High selectivity hollow fibers. USP1996095558936.
  4. Avrillon Rene (Maisons Laffitte FRX). Highly selective asymmetric membranes for gas separation. USP1997105674629.
  5. Avrillon Rene (Maisons Laffitte FRX). Highly selective asymmetric membranes for gas separation and method for the manufacture thereof. USP1997055633039.
  6. Hayes Richard A. (Hockessin DE). Highly soluble aromatic polyimides. USP1989074851505.
  7. Chung,Tai Shung; Wang,Rong; Ren,Ji Zhong; Cao,Chun; Liu,Ye; Li,Dong Fei. Manufacture of polyimide-hollow fibres. USP2007127303609.
  8. Langsam Michael (Allentown PA) Burgoyne ; Jr. William F. (Emmaus PA) Casey Jeremiah P. (Emmaus PA) Ford Michael E. (Coopersburg PA). Membranes formed from unsaturated polyimides. USP1990084952220.
  9. Yoshinaga, Toshimune; Fukunaga, Kenji; Kase, Yoji. Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane. USP2010117833313.
  10. Kohn Rachel S. (Springfield NJ) Jones Sidney R. (Randolph NJ) Mueller Werner H. (Corpus Christi TX). Method of gas separation and membranes therefor. USP1991125074891.
  11. Simmons John Warren. Nitrated polyimide gas separation membranes. USP1998025716430.
  12. Hayes Richard A. (Hockessin DE). Polyimide gas separation membranes. USP1989064838900.
  13. Hayes Richard A. (Hockessin DE). Polyimide gas separation membranes. USP1989114880442.
  14. Hayes Richard A. (Hockessin DE). Polyimide gas separation membranes. USP1987114705540.
  15. Hayes Richard A. (Hockessin DE). Polyimide gas separation membranes. USP1988014717393.
  16. Weinberg Mark G. (Wilmington DE). Polyimide gas separation membranes for carbon dioxide enrichment. USP1993085234471.
  17. Burgoyne ; Jr. William F. (Emmaus PA) Langsam Michael (Allentown PA). Polyimide membrane having improved flux. USP1990014897092.