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:
Jan. 12, 2010
Filed:
Nov. 18, 2005
Applicants:
Yan Gao, Quebec, CA;
Michael D. Guiver, Ottawa, CA;
Gilles P. Robertson, Hull, CA;
Inventors:
Assignee:
National Research Council of Canada, Ottawa, Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/24 (2006.01); H01M 8/10 (2006.01); B01J 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Ether nitrile co-polymers containing sulfonic acid groups, including wholly aromatic poly(aryl ether ether nitrile)s containing sulfonic acid groups (SPAEEN)s, and poly(phthalazinone ether ketone nitrile) co-polymers containing sulfonic acid groups (SPPEKN)s, intended for fuel cells applications as proton conducting membrane materials, were prepared.