05248319 is referenced by 35 patents and cites 82 patents.

The present invention provides for gas separation membranes with superior gas transport properties made from a blend of certain polymers. In particular, certain alkyl substituted aromatic polyimides, polyamides or polyamide-imides are blended with certain aromatic polyimides to provide a gas separation membrane with superior productivity and good selectivity.

Title
Gas separation membranes made from blends of aromatic polyamide, polymide or polyamide-imide polymers
Application Number
7/940192
Publication Number
5248319
Application Date
September 2, 1992
Publication Date
September 28, 1993
Inventor
John W Simmons
Wilmington
DE, US
Okan M Ekiner
Wilmington
DE, US
Agent
Cary A Levitt
Assignee
E I Du Pont de Nemours and Company
DE, US
IPC
B01D 71/64
B01D 53/22
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