Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1992-08-14
1993-08-31
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528176, 528272, C08G 7310, C08G 6300
Patent
active
052410390
ABSTRACT:
The present invention includes new polyimide/polyester copolymers without pendent carboxyl groups, a method for their synthesis, and their use as membranes for aromatics/saturates separation.
Han Suh J.
Ho W. S. Winston
Sartori Guido
Exxon Research & Engineering Company
Hantman Ronald D.
Kight III John
Mosley T.
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