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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.:

US 7560185 B1

PDFFull Text
Expired
Date of Patent:
Jul. 14, 2009

Filed:

Jul. 08, 2005

Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell

Applicants:

Toru Koyama, Hitachi, JP;

Toshiyuki Kobayashi, Tokai, JP;

Kenji Yamaga, Hitachi, JP;

Tomoichi Kamo, Tokai, JP;

Kazutoshi Higashiyama, Naka, JP;

Inventors:

Toru Koyama, Hitachi, JP;

Toshiyuki Kobayashi, Tokai, JP;

Kenji Yamaga, Hitachi, JP;

Tomoichi Kamo, Tokai, JP;

Kazutoshi Higashiyama, Naka, JP;

Assignee:

Hitachi, Ltd, Tokyo, JP;

Attorney:

Antonelli, Terry, Stout & Kraus, LLP.

Primary Examiner:

Patrick Ryan

Assistant Examiner:

Muhammad Siddiquee

Int. Cl.
CPC ...
H01M 8/10 (2006.01); H01M 6/18 (2006.01); B01J 49/00 (2006.01); C08J 5/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A solid polymer electrolyte is made up of a polymer compound having a hydrocarbon aromatic group in the backbone thereof and including a side chain expressed by FORMULA 1: wherein 'n' is 1, 2, 3, 4, 5, or 6. The solid polymer electrolyte may be incorporated into a membrane and may be used in a solution for covering an electrode catalyst.

Find Patent Forward Citations

Koyama, Toru. (2009). Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell (U.S. Patent No. 7560185). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7560185

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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