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:
Apr. 30, 2013
Filed:
Apr. 24, 2007
Applicants:
Yoshitaka Yamakawa, Chuo-ku, JP;
Yousuke Konno, Chuo-ku, JP;
Teruhiko Umehara, Chuo-ku, JP;
Inventors:
Assignee:
JSR Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 8/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention described herein relates to a polyarylene copolymer comprising a structural unit represented by formula (1'): where the structural variables are defined herein. The invention also relates to a solid polymer electrolyte, a proton conductive membrane and A proton conductive membrane for direct methanol fuel cell which contains the polyarylene copolymer.