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.

Date of Patent:
May. 04, 2010

Filed:

Nov. 26, 2008
Applicants:

Takashi Yoshida, Kashiwa, JP;

Satoshi Itoh, Omitama, JP;

Fumihiko Aiga, Yokohama, JP;

Yoshiko Hiraoka, Kawasaki, JP;

Reiko Yoshimura, Kawasaki, JP;

Tsukasa Tada, Hachioji, JP;

Yasutaka Nishida, Fuchu, JP;

Inventors:

Takashi Yoshida, Kashiwa, JP;

Satoshi Itoh, Omitama, JP;

Fumihiko Aiga, Yokohama, JP;

Yoshiko Hiraoka, Kawasaki, JP;

Reiko Yoshimura, Kawasaki, JP;

Tsukasa Tada, Hachioji, JP;

Yasutaka Nishida, Fuchu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/40 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01);
U.S. Cl.
CPC ...
Abstract

A solid catalyst has a close-packed structure and has a first surface layer and a second surface layer, wherein the first surface layer includes platinum as a main component and the second surface layer contains PtX(wherein X is one element selected from the group consisting of Zr, Hf, Nb, Ta, Mo, and W; a+b=100; and 25≦b≦50); and a fuel cell includes the solid catalyst as an anode-side electrode catalyst.


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