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:
Oct. 25, 2011
Filed:
Apr. 16, 2010
Combination of main-chain and side-chain sulfonation of pfcb-6f high-temperature fuel cell membranes
Applicants:
Lijun Zou, Rochester, NY (US);
Sean M. Mackinnon, Fairport, NY (US);
Timothy J. Fuller, Pittsford, NY (US);
Inventors:
Lijun Zou, Rochester, NY (US);
Sean M. MacKinnon, Fairport, NY (US);
Timothy J. Fuller, Pittsford, NY (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 114/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polymer useful as an ion conducting membrane for fuel cell applications includes both main chain and side chain protogenic groups. Methods for preparing the polymer include addition of the side chains both before and after addition of the protogenic groups.