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:
May. 18, 2010
Filed:
Jun. 11, 2008
Tenneille Weston Capehart, Rochester, MI (US);
Gail Capehart, Legal Representative, Rochester, MI (US);
Gerhard Maier, Munich, DE;
Claude Spino, Sherbrooks, CA;
Thomas J. Chapaton, Sterling Heights, MI (US);
Markus Gross, Kaufbeuren, DE;
Armand Soldera, Sherbrooke, CA;
Tenneille Weston Capehart, Rochester, MI (US);
Gail Capehart, legal representative, Rochester, MI (US);
Gerhard Maier, Munich, DE;
Claude Spino, Sherbrooks, CA;
Thomas J. Chapaton, Sterling Heights, MI (US);
Markus Gross, Kaufbeuren, DE;
Armand Soldera, Sherbrooke, CA;
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
One embodiment of the invention contemplates a proton exchange membrane for use in a variety of fuel cells. The proton exchange membrane may comprise a solid phase organic based copolymer material in which a first structural unit is derived from a polymerizable organic super acid. The organic super acid may comprise an acid group such as a sulfonic acid group or a carboxylic acid group.