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:
Sep. 01, 1981
Filed:
Jan. 26, 1979
Applicant:
Inventor:
William J Davis, Wyomissing, PA (US);
Assignee:
Sac Membrane Products Corporation, Syosset, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429206 ; 429254 ;
Abstract
A cast film, sheet or coating of a cross-linked graft copolymer of an organic polymeric substrate and an ethylenically unsaturated organic monomer, which is useful as a ion-exchange membrane, particularly a separator for an alkaline battery. The graft copolymer is formed by initiating and effecting the graft copolymerization while the polymeric substrate and monomer are in solution.
Davis, William. (1981). Alkaline cell with graft polymer separator (U.S. Patent No. 4287275). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4287275
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile