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:
Apr. 03, 1979
Filed:
Dec. 27, 1977
Applicant:
Inventors:
Andrew D Babinsky, Chagrin Falls, OH (US);
Charles J Hora, Painesville, OH (US);
Assignee:
Diamond Shamrock Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C08J / ;
U.S. Cl.
CPC ...
521 27 ; 156306 ;
Abstract
Disclosed are a sulfonyl group containing fluorocarbon polymer cation-exchange membrane which has been fabric reinforced and, on one side of which has been treated, after the fabric reinforcing has been applied in a heat-pressure application, to a depth of at least 10 microns with a primary amine or a secondary amine or mixtures thereof to aminate a majority of said sulfonyl groups.