Semipermeable membranes based on certain sulfonated substituted

Details Semipermeable membranes based on certain sulfonated substituted Semipermeable membranes based on certain sulfonated substituted

1990-12-05

1991-12-10

Sever, Frank

Gas separation

Means within gas stream for conducting concentrate to collector

55158, 210654, 21050041, B01D 6100, B01D 7168

Patent

active

050714481

ABSTRACT:
Semipermeable membranes comprised of certain sulfonated substituted polysulfone polymers containing the polymer repeat unit (A) or (B) as herein defined. The invention also pertains to processes for using said membranes for the selective permeation of at least one gaseous component from a mixture of gases containing said gaseous component in admixture with other gaseous components.

REFERENCES:
patent: 4732593 (1988-03-01), Kondo et al.
patent: 4758272 (1988-07-01), Pierotti et al.
patent: 4760047 (1988-07-01), Jeschke et al.
patent: 4889630 (1989-12-01), Reinhardt et al.

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