Chemically modified semipermeable polysulfone membranes and thei

Details Chemically modified semipermeable polysulfone membranes and thei Chemically modified semipermeable polysulfone membranes and thei

1985-07-22

1987-09-01

Sadowski, David

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

21050028, 21050029, 21050033, 21050037, 21050038, 21050039, 21050041, 21050042, B01D 1300, B01D 1304

Patent

active

046907661

ABSTRACT:
Semipermeable membranes of modified polysulfones are provided which comprises repeating units of the formula

REFERENCES:
patent: 3886066 (1975-05-01), Chen et al.
patent: 3984399 (1976-10-01), Weber et al.
patent: 4029582 (1977-06-01), Ishii et al.
patent: 4260652 (1981-04-01), Taketani et al.
patent: 4286015 (1981-08-01), Yoshida et al.

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