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. 30, 1997
Filed:
Sep. 25, 1996
Applicant:
Inventors:
Shoibal Banerjee, Newark, DE (US);
Cecelia C Cropley, Acton, MA (US);
John A Kosek, Danvers, MA (US);
Anthony B La Conti, Lynnfield, MA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 33 ; 429 42 ;
Abstract
Cation exchange membranes incorporating a thin layer of polymer having having a high ratio of backbone carbon atoms to cation exchange groups provide improved performance in direct methanol fuel cells.
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Banerjee, Shoibal. (1997). Membrane and electrode assembly employing exclusion membrane for direct (U.S. Patent No. 5672438). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5672438
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile