Selective permeable membrane and process for preparing the same

Details Selective permeable membrane and process for preparing the same Selective permeable membrane and process for preparing the same

1978-11-16

1980-12-23

Robinson, Ellis P.

Liquid purification or separation

Filter

Material

264 41, 428304, 428305, 428320, 428321, 4284735, 521 27, B01D 3100, B32B 518

Patent

active

042409144

ABSTRACT:
A selective permeable membrane having self-supporting property which comprises a polyimide polymer consisting essentially of a repeating unit of the formula: ##STR1## wherein R is a divalent organic group, and a process for preparing the same.

REFERENCES:
patent: 3816303 (1974-06-01), Wrasidlo
patent: 3925211 (1975-12-01), Schumann
patent: 4061821 (1977-12-01), Hayano et al.
patent: 4113628 (1978-09-01), Alegranti

Affiliated with

Also associated with

Rating

Selective permeable membrane and process for preparing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Selective permeable membrane and process for preparing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Selective permeable membrane and process for preparing the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2241352