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.:
Date of Patent:
Sep. 18, 2012
Filed:
Jul. 23, 2008
Applicants:
Tadatoshi Kurozumi, Chiba, JP;
Toshikazu Shishikura, Chiba, JP;
Inventors:
Tadatoshi Kurozumi, Chiba, JP;
Toshikazu Shishikura, Chiba, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 21/06 (2006.01); B01J 23/20 (2006.01); C01G 23/04 (2006.01); C01G 25/02 (2006.01); C01G 33/00 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Catalyst layers include an electrocatalyst having high oxygen reduction activity that is useful as an alternative material to platinum catalysts. Uses of the catalyst layers are also disclosed. A catalyst layer of the invention includes an electrode substrate and an electrocatalyst on the surface of the electrode substrate, and the electrocatalyst is formed of a metal compound obtained by hydrolyzing a metal salt or a metal complex.