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. 11, 2011
Filed:
Aug. 04, 2003
Applicants:
Alexia Balland-longeau, Tours, FR;
Franck Pereira, Tours, FR;
Philippe Capron, Luzinay, FR;
Regis Mercier, Irigny, FR;
Inventors:
Alexia Balland-Longeau, Tours, FR;
Franck Pereira, Tours, FR;
Philippe Capron, Luzinay, FR;
Regis Mercier, Irigny, FR;
Assignee:
Commissariat a l'Engergie Atomique, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 2/00 (2006.01); C08G 4/00 (2006.01); C08G 6/00 (2006.01); C08G 10/00 (2006.01); C08G 12/00 (2006.01); C08G 14/00 (2006.01); C08G 16/00 (2006.01); C08G 75/00 (2006.01); B01J 49/00 (2006.01); C08J 5/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to polymers comprising phenylene units, at least one of which bears a phenylene side group substituted with a perfluoro group or chain, which itself bears an —SOH, —POHor —COH group. Use of this polymer to make fuel cell membranes.