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:
Oct. 27, 2009
Filed:
Oct. 12, 2006
Seiji Miyoshi, Fuchu-cho, JP;
Hiroshi Yamada, Fuchu-cho, JP;
Koji Minoshima, Fuchu-cho, JP;
Akihide Takami, Fuchu-cho, JP;
Hideharu Iwakuni, Fuchu-cho, JP;
Seiji Miyoshi, Fuchu-cho, JP;
Hiroshi Yamada, Fuchu-cho, JP;
Koji Minoshima, Fuchu-cho, JP;
Akihide Takami, Fuchu-cho, JP;
Hideharu Iwakuni, Fuchu-cho, JP;
Mazda Motor Corporation, , JP;
Abstract
An exhaust gas purifying catalyst comprising: a honeycomb-like substrate disposed in an exhaust passage for an engine; and a catalytic layer formed on a cell wall of said substrate, said catalytic layer including a mixed oxide which contains Ce (cerium) and Zr (zirconium), and retains a catalytic noble metal in such a manner that said noble metal atoms are located at crystal lattice points or between the lattice points of the mixed oxide, wherein said mixed oxide includes a first mixed oxide containing CeOin a mass greater than that of ZrO, and a second mixed oxide containing ZrOin a mass greater than that of CeO.