Organic polymer separation membrane having fluorene skeleton and

Details Organic polymer separation membrane having fluorene skeleton and Organic polymer separation membrane having fluorene skeleton and

1990-03-13

1992-05-26

Spear, Frank

Liquid purification or separation

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21050038, 55 16, B01D 7156

Patent

active

051165040

ABSTRACT:
A separation membrane consisting of a polyamide having a unit (I) or a mixing of polyamides having units (I) and (II) and (II') or a polyester having a unit (III) or (IV) and (IV') or a mixture of polyesters having units (III) and (IV) and (IV'):

REFERENCES:
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patent: 4143125 (1979-03-01), Dyroff et al.
patent: 4192842 (1980-03-01), Kimura et al.
patent: 4230463 (1980-10-01), Henis et al.
patent: 4649114 (1987-03-01), Miltenburger et al.
patent: 4794159 (1988-12-01), Teramoto et al.
patent: 4810771 (1989-03-01), Teramoto et al.
patent: 4833214 (1989-05-01), Teramoto et al.
patent: 4897092 (1990-01-01), Burgoyne, Jr. et al.
Australian Patent Abstract AU-A-45793/85.
British Search Report, Application No. 8911213.0.

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