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:
May. 08, 2012
Filed:
Jul. 22, 2008
Applicants:
Janet Mary Fisher, Reading, GB;
David Thompsett, Reading, GB;
Inventors:
Janet Mary Fisher, Reading, GB;
David Thompsett, Reading, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 21/18 (2006.01); B01J 23/42 (2006.01); B01J 23/48 (2006.01); B01J 35/02 (2006.01); H01M 4/92 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A platinum alloy catalyst PtX, wherein the atomic percent of platinum in the bulk alloy is from 5 to 50 at %, the remaining being X, characterised in that the atomic percent of platinum at the surface of the alloy is from 10 to 80 at %, the remainder being X, provided that the at % of platinum at the surface of the alloy is at least 25% greater than the at % of platinum in the bulk alloy is disclosed.