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:
Aug. 19, 1980
Filed:
May. 24, 1978
Applicant:
Inventors:
Assignee:
Asahi Glass Company Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25B / ; C08J / ;
U.S. Cl.
CPC ...
521 27 ; 521 28 ;
Abstract
A cation exchange membrane of a fluorinated polymer is formed by incorporating fibrils of polytetrafluoroethylene in a cation exchange resin of a fluorinated polymer having sulfonic acid type ion exchange groups which has high chemical resistances such as chlorine resistance, oxidation resistance and alkaline resistance, in an electrolysis.