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:
Jun. 22, 2010
Filed:
Oct. 02, 2008
Applicant:
Atsuhito Yoshizawa, Yokohama, JP;
Inventor:
Atsuhito Yoshizawa, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 21/00 (2006.01); B01J 20/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a production method of a catalyst layer which is improved in catalyst activity and catalyst utilization efficiency. The method of producing a catalyst layer includes the steps of forming a first layer including a catalyst precursor on a substrate by a vapor phase process; forming cracks in the first layer; and reducing the first layer having the cracks formed therein.