Co-poly (imide ether) copolymer from diaminated polyalkyleneglyc

Details Co-poly (imide ether) copolymer from diaminated polyalkyleneglyc Co-poly (imide ether) copolymer from diaminated polyalkyleneglyc

1988-04-07

1989-08-15

Kight, John

Gas separation

Means within gas stream for conducting concentrate to collector

528353, 528125, 528128, 528172, 528173, 528188, 528220, 528229, 528352, B01D 5322

Patent

active

048570796

ABSTRACT:
A novel co-poly (imide ether) copolymer consisting essentially of an organic acid dianhydride, a diamine, and a diaminated polyether, wherein the percentage of the diaminated polyether in the total amount of the diamine and the diaminated polyether is 5 to 40% by weight.

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patent: 4378400 (1983-03-01), Makino et al.
patent: 4528004 (1985-07-01), Makino et al.
patent: 4705540 (1987-11-01), Hayes
patent: 4717394 (1988-01-01), Hayes
patent: 4746474 (1988-05-01), Kohn

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