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:
Oct. 27, 2009

Filed:

Jun. 07, 2004
Applicants:

Qun Fan, Fremont, CA (US);

Peter Strasser, Houston, TX (US);

Alexander Gorer, San Jose, CA (US);

Martin Devenney, Mountain View, CA (US);

Ting He, Dublin, OH (US);

Hiroyuki Oyanagi, Saitama, JP;

Daniel M. Giaquinta, Saratoga, CA (US);

Kenta Urata, Utsunomiya, JP;

Hiroichi Fukuda, Utsunomiya, JP;

Konstantinos Chondroudis, Thessaloniki, GR;

Keith James Cendak, San Mateo, CA (US);

Inventors:

Qun Fan, Fremont, CA (US);

Peter Strasser, Houston, TX (US);

Alexander Gorer, San Jose, CA (US);

Martin Devenney, Mountain View, CA (US);

Ting He, Dublin, OH (US);

Hiroyuki Oyanagi, Saitama, JP;

Daniel M. Giaquinta, Saratoga, CA (US);

Kenta Urata, Utsunomiya, JP;

Hiroichi Fukuda, Utsunomiya, JP;

Konstantinos Chondroudis, Thessaloniki, GR;

Keith James Cendak, San Mateo, CA (US);

Assignees:

Symyx Technologies, Inc., Santa Clara, CA (US);

Honda Giken Kogyo Kabushiki Kaisha, Minato-Ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 21/18 (2006.01); B01J 23/00 (2006.01); B01J 23/40 (2006.01); B01J 23/42 (2006.01); C22C 14/00 (2006.01); C22C 27/04 (2006.01); C22C 27/00 (2006.01); C22C 32/00 (2006.01); C22C 5/04 (2006.01); H01M 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fuel cell catalyst comprising platinum, titanium and tungsten. In one or more embodiments, the concentration of platinum is less than 60 atomic percent, and/or the concentration of titanium is at least 20 atomic percent, and/or the concentration of tungsten is at least 25 atomic percent.


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