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. 06, 2009
Filed:
Feb. 01, 2005
Takayuki Mori, Sagamihara, JP;
Nobuya Iwami, Sagamihara, JP;
Takayuki Kumagai, Sagamihara, JP;
Isamu Kanaya, Ageo, JP;
Hiroki Ueno, Ageo, JP;
Kiminobu Hirata, Ageo, JP;
Takayuki Mori, Sagamihara, JP;
Nobuya Iwami, Sagamihara, JP;
Takayuki Kumagai, Sagamihara, JP;
Isamu Kanaya, Ageo, JP;
Hiroki Ueno, Ageo, JP;
Kiminobu Hirata, Ageo, JP;
Tokyo Roki Co., Ltd, Yokohama-Shi, JP;
Nissan Diesel Motor Co., Ltd., Ageo-Shi, JP;
Abstract
Provided in a catalyst system are: a first reaction part fitted with a first catalyst containing, as active constituents, at least, a complex oxide consisting of two or more oxides selected from among silica, alumina, titania, zirconia, and tungsten oxide, and a rare earth metal or transition metal (except Cu, Co, Ni, Mn, Cr, and V); and a second reaction part fitted with a second catalyst containing, as active constituents, at least, a noble metal and a silica-alumina type complex oxide.