Porous aromatic imide polymer membrane and a process for its man

Details Porous aromatic imide polymer membrane and a process for its man Porous aromatic imide polymer membrane and a process for its man

1982-04-13

1985-04-23

Anderson, Philip

Liquid purification or separation

Filter

Material

55158, 264 41, 264176F, 2642096, 264216, 521 61, 521 63, 521 64, 528229, 528353, B29D 2704, B32B 902

Patent

active

045128936

ABSTRACT:
A porous aromatic imide polymer membrane usable as a gas or liquid separator or concentrator is prepared by a process comprising the steps of:

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patent: 4284594 (1981-08-01), Joh et al.
patent: 4290936 (1981-09-01), Sasaki et al.
patent: 4307135 (1981-12-01), Fox
patent: 4370290 (1983-01-01), Makino et al.
patent: 4385084 (1983-05-01), Zwama et al.

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