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:
Jan. 24, 2012
Filed:
Nov. 20, 2008
Applicants:
Hirofumi Yasuda, Yokosuka, JP;
Yasunari Hanaki, Yokohama, JP;
Toru Sekiba, Yokohama, JP;
Shigeru Chida, Yokosuka, JP;
Junji Ito, Yokohama, JP;
Inventors:
Hirofumi Yasuda, Yokosuka, JP;
Yasunari Hanaki, Yokohama, JP;
Toru Sekiba, Yokohama, JP;
Shigeru Chida, Yokosuka, JP;
Junji Ito, Yokohama, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama-shi, 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
A purifying catalyst includes catalyst powder composed of a transition metal oxide of which an average particle diameter is within 1 nm to 2 μm and in which an electron binding energy of oxygen is shifted to an energy side lower than 531.3 eV. The purifying catalyst shows good purification performance even when noble metal is not contained as an essential component.