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:
Dec. 17, 2013

Filed:

Jun. 30, 2009
Applicants:

Masanori Nakamura, Yokosuka, JP;

Yoshiaki Hiramoto, Yokosuka, JP;

Hiroto Kikuchi, Hiratsuka, JP;

Hironori Wakamatsu, Yokohama, JP;

Kazuyuki Shiratori, Yokohama, JP;

Tetsuro Naito, Yokohama, JP;

Katsuo Suga, Yokohama, JP;

Inventors:

Masanori Nakamura, Yokosuka, JP;

Yoshiaki Hiramoto, Yokosuka, JP;

Hiroto Kikuchi, Hiratsuka, JP;

Hironori Wakamatsu, Yokohama, JP;

Kazuyuki Shiratori, Yokohama, JP;

Tetsuro Naito, Yokohama, JP;

Katsuo Suga, 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);
U.S. Cl.
CPC ...
Abstract

An exhaust gas purifying catalyst is constituted by: noble metal particles (); first compounds () which support the noble metal particles (); second compounds () different in type from the first compounds (); and oxides () which surround the noble metal particles (), the first compounds () and the second compounds (). A median diameter of the first compounds () and a median diameter of the second compounds () satisfy a relationship of a following inequality:median diameter of first compounds<median diameter of second compounds.


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