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 7611643 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 03, 2009

Filed:

May. 25, 2005
Applicants:

Toshihiro Arai, Kawasaki, JP;

Hiroshi Sakamoto, Kawasaki, JP;

Tomoaki Kobayashi, Kawasaki, JP;

Inventors:

Toshihiro Arai, Kawasaki, JP;

Hiroshi Sakamoto, Kawasaki, JP;

Tomoaki Kobayashi, Kawasaki, JP;

Assignee:

Showa Denko K.K., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/24 (2006.01); H01M 8/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention are to provide an electrically conducting resin composition for a fuel cell separator which overcomes the drawbacks of prior arts, and to provide a fuel cell separator produced by molding this electrically conducting resin composition and having both of high electrical conductivity and flexural property. The present invention employs an electrically conducting resin composition for a fuel cell including a component A of polypropylene resin whose melt flow rate is 0.01 or higher and 10 or lower and a component B of electrically conducting filler as well as a fuel cell separator made of the same.


Find Patent Forward Citations

Arai, Toshihiro. (2009). Electrically conducting resin composition for fuel cell separator and fuel cell separator (U.S. Patent No. 7611643). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7611643

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