04474662 is referenced by 45 patents and cites 8 patents.

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

Title
Process for producing porous aromatic polyimide membranes
Application Number
6/368027
Publication Number
4474662
Application Date
April 13, 1982
Publication Date
October 2, 1984
Inventor
Tosio Isida
Ichihara
JP
Hiroshi Shimazaki
Ichihara
JP
Takashi Harada
Ichihara
JP
Yoshihiro Kusuki
Ichihara
JP
Hiroshi Makino
Ichihara
JP
Agent
Burgess Ryan & Wayne
Assignee
Ube
JP
IPC
B29D 27/04
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