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:
Nov. 04, 2008
Filed:
Nov. 29, 2005
Seiji Miyoshi, Aki-gun, JP;
Akihide Takami, Hiroshima, JP;
Hiroshi Yamada, Hiroshima, JP;
Masaaki Akamine, Hiroshima, JP;
Hideharu Iwakuni, Higashihiroshima, JP;
Koichiro Harada, Higashihiroshima, JP;
Seiji Miyoshi, Aki-gun, JP;
Akihide Takami, Hiroshima, JP;
Hiroshi Yamada, Hiroshima, JP;
Masaaki Akamine, Hiroshima, JP;
Hideharu Iwakuni, Higashihiroshima, JP;
Koichiro Harada, Higashihiroshima, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
Catalytic converter comprises a carrier having exhaust gas passages therein, a lower catalytic layer coated over the carrier and comprising hollow oxide powder loaded with catalytic metal, and an upper catalytic layer coated over the lower catalytic layer, directly exposed to exhaust gas flowing in the exhaust gas passages and comprising solid oxide powder loaded with catalytic metal. The hollow oxide powder may be ceria or alumina base oxide. Further it may be mixed oxide such as Ce—Zr mixed oxide or La contained alumina as well.