The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 04, 1997
Filed:
Apr. 17, 1995
Applicant:
Inventor:
Okan M Ekiner, Wilmington, DE (US);
Assignee:
L'Air Liquide, S.A., Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525432 ; 525436 ;
Abstract
The present invention provides a three-component blend of (i) certain aromatic polyethersulfones, (ii) certain aromatic polyimides, and (iii) certain aromatic polyimides, polyamides or polyamide-imides or mixtures thereof. The blends provide gas separation membranes with superior gas transport properties.