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:
Apr. 06, 2010
Filed:
Nov. 02, 2006
Tomohiro Honda, Hiroshima, JP;
Tomoaki Urai, Hiroshima, JP;
Ryota Fujimoto, Hiroshima, JP;
Seiji Miyoshi, Hiroshima, JP;
Hiroshi Yamada, Hiroshima, JP;
Hideharu Iwakuni, Hiroshima, JP;
Koichiro Harada, Hiroshima, JP;
Koji Minoshima, Hiroshima, JP;
Akihide Takami, Hiroshima, JP;
Tomohiro Honda, Hiroshima, JP;
Tomoaki Urai, Hiroshima, JP;
Ryota Fujimoto, Hiroshima, JP;
Seiji Miyoshi, Hiroshima, JP;
Hiroshi Yamada, Hiroshima, JP;
Hideharu Iwakuni, Hiroshima, JP;
Koichiro Harada, Hiroshima, JP;
Koji Minoshima, Hiroshima, JP;
Akihide Takami, Hiroshima, JP;
Toda Kogyo Corporation, , JP;
Mazda Motor Corporation, , JP;
Abstract
An exhaust gas purification catalyst comprises: an oxygen storage component constituted by a mixed oxide containing cerium and zirconium; and a catalytic metal carried on the oxygen storage component. The oxygen storage component is in the form of hollow secondary particles each formed so that primary particles of an average particle size of less than 10 nm cohere into a shell.