Gas separation: processes – Selective diffusion of gases – Selective diffusion of gases through substantially solid...
Patent
1993-06-04
1994-06-21
Spitzer, Robert
Gas separation: processes
Selective diffusion of gases
Selective diffusion of gases through substantially solid...
95 54, 96 4, 21050039, B01D 5322, B01D 7164
Patent
active
053225490
ABSTRACT:
A polyimide, and a gas separation membrane prepared therefrom, containing repeating units derived from 5(2,5-dioxo-tetrahydrofuryl)-3-methyl-3,3-cyclohexane-1,2-dicarboxylic anhydride is disclosed.
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E. I. Du Pont de Nemours and Company
Levitt Cary A.
Spitzer Robert
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