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. 25, 2010
Filed:
Nov. 07, 2007
Maki Shimada, Yokohama, JP;
Junji Ito, Yokohama, JP;
Toshiharu Miyamura, Yokohama, JP;
Yasunari Hanaki, Yokohama, JP;
Shigeru Chida, Yokosuka, JP;
Shinichi Akaishi, Yokosuka, JP;
Maki Shimada, Yokohama, JP;
Junji Ito, Yokohama, JP;
Toshiharu Miyamura, Yokohama, JP;
Yasunari Hanaki, Yokohama, JP;
Shigeru Chida, Yokosuka, JP;
Shinichi Akaishi, Yokosuka, JP;
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Abstract
A particulate matter oxidizing catalyst includes: at least one metal selected from the group consisting of: gallium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, molybdenum, silver, lanthanum, praseodymium, neodymium and gold; and cerium, wherein a first oxide includes: the cerium, and a first metal which is at least one element selected from the group consisting of: gallium, manganese, iron, cobalt and nickel, wherein a second oxide includes: the cerium, and a second metal which is at least one element selected from the group consisting of: praseodymium, zirconium and aluminum, and wherein the second oxide and the first oxide have a content ratio of second oxide/(first oxide+second oxide)=0.1 by mass to 0.8 by mass.