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:
Jun. 19, 2012
Filed:
Jul. 09, 2008
Koichiro Harada, Higashi-Hiroshima, JP;
Kenji Suzuki, Higashi-Hiroshima, JP;
Kenji Okamoto, Hiroshima, JP;
Hiroshi Yamada, Hiroshima, JP;
Akihide Tamani, Hiroshima, JP;
Koichiro Harada, Higashi-Hiroshima, JP;
Kenji Suzuki, Higashi-Hiroshima, JP;
Kenji Okamoto, Hiroshima, JP;
Hiroshi Yamada, Hiroshima, JP;
Akihide Tamani, Hiroshima, JP;
Mazda Motor Corporation, , JP;
Abstract
In at least part of a catalyst layer of a particulate filter, a second catalyst part is exposed on the surface of the catalyst layer to overlie a first catalyst part, the first catalyst part contains Pt-carried activated alumina particles, the second catalyst part contains ZrNd-based mixed oxide particles containing a rare earth metal M and at least one of the first catalyst part and the second catalyst part further contains CeZr-based mixed oxide particles containing a rare earth metal R.