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:
Feb. 16, 2010

Filed:

Jun. 03, 2004
Applicants:

Konstantinos Chondroudis, Thessaloniki, GR;

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;

Qun Fan, Pleasanton, CA (US);

Peter Strasser, Houston, TX (US);

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

Jennifer N. Cendak, Legal Representative, San Mateo, CA (US);

Inventors:

Konstantinos Chondroudis, Thessaloniki, GR;

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;

Qun Fan, Pleasanton, CA (US);

Peter Strasser, Houston, TX (US);

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

Jennifer N. Cendak, legal representative, 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 23/74 (2006.01); B01J 25/00 (2006.01); C22C 19/05 (2006.01); C22C 19/03 (2006.01); C22C 5/04 (2006.01); C22C 9/06 (2006.01); C22C 9/00 (2006.01); C22C 30/02 (2006.01); C22C 30/00 (2006.01); C22C 27/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fuel cell catalyst comprising platinum, chromium, and copper, nickel or a combination thereof. In one or more embodiments, the concentration of platinum is less than 50 atomic percent, and/or the concentration of chromium is less than 30 atomic percent, and/or the concentration of copper, nickel, or a combination thereof is at least 35 atomic percent.


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