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:
Mar. 09, 2010

Filed:

Mar. 15, 2005
Applicants:

Kazuyuki Shiratori, Yokohama, JP;

Toru Sekiba, Yokohama, JP;

Katsuo Suga, Yokohama, JP;

Masanori Nakamura, Yokosuka, JP;

Hironori Wakamatsu, Yokosuka, JP;

Hirofumi Yasuda, Yokosuka, JP;

Inventors:

Kazuyuki Shiratori, Yokohama, JP;

Toru Sekiba, Yokohama, JP;

Katsuo Suga, Yokohama, JP;

Masanori Nakamura, Yokosuka, JP;

Hironori Wakamatsu, Yokosuka, JP;

Hirofumi Yasuda, Yokosuka, 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); B01J 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of producing catalyst powder of the present invention has a step of precipitating a carrier in a reversed micelle, and a step of precipitating at least one of a noble metal particle and a transition metal particle in the reversed micelle in which the carrier is precipitated. By this method, it is possible to obtain catalyst powder excellent in heat resistance and high in the catalytic activity.


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