Process for producing porous aromatic polyimide membranes

Details Process for producing porous aromatic polyimide membranes Process for producing porous aromatic polyimide membranes

1982-04-13

1984-10-02

Anderson, Philip E.

Liquid purification or separation

Filter

Material

55158, 264 41, 264 53, 521 64, B29D 2704

Patent

active

044746628

ABSTRACT:
A porous membrane of an aromatic polyimide having an enhanced permeability of a gas or liquid is produced by a process comprising the steps of

REFERENCES:
patent: 3822202 (1974-07-01), Hoehn
patent: 4240914 (1980-12-01), Iwama et al.
patent: 4262094 (1981-04-01), Johnson
patent: 4272467 (1981-06-01), Johnson
patent: 4358378 (1982-11-01), Iwama et al.
patent: 4378324 (1983-03-01), Makino et al.
patent: 4378400 (1983-03-01), Makino et al.
patent: 4385084 (1983-05-01), Iwama et al.

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