Semipermeable membranes based on specified tetrabromobisphenol t

Details Semipermeable membranes based on specified tetrabromobisphenol t Semipermeable membranes based on specified tetrabromobisphenol t

1989-12-06

1991-10-08

Spear, Frank

Gas separation

Means within gas stream for conducting concentrate to collector

55158, 210490, 21050028, B01D 6900

Patent

active

050551140

ABSTRACT:
Permeable membranes comprised predominantly of specifically defined tetrabromobisphenols and aromatic dicarboxylic acids. The invention also pertains to the novel permeation processes for recovery of an oxygen
itrogen or carbon dioxide/methane component form a mixture of said component with other components.

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patent: 4818254 (1989-04-01), Anano et al.
patent: 4822382 (1989-04-01), Nelson
L. A. Pilato et al., Polymers for Permselective Membrane Gas Separations, Amer. Chem. Soc. Div. Polym. Chem., Polym. Prepr., 16(2) (1975) 41-46.

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