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:
May. 20, 2008
Filed:
Aug. 05, 2004
Asako Eguchi, Kanagawa-Ken, JP;
Shuji Fujii, Kanagawa-Ken, JP;
Akihiro Sawata, Kanagawa-Ken, JP;
Yasuhiko Tsuru, Kanagawa-Ken, JP;
Asako Eguchi, Kanagawa-Ken, JP;
Shuji Fujii, Kanagawa-Ken, JP;
Akihiro Sawata, Kanagawa-Ken, JP;
Yasuhiko Tsuru, Kanagawa-Ken, JP;
Mitsubishi Heavy Industries, Ltd., Yokohama, JP;
Abstract
The present invention provides an exhaust gas treatment catalyst characterized by containing a compound oxide expressed by the following general formula (1),AMxOy   (1)(wherein A represents an alkali metal or alkaline earth metal, M represents Cr, Mn, Fe, Co or Ni, O represents oxygen, and 0<x≦4 and 0<y≦8)and an exhaust gas treatment method using the said catalyst. According to the present invention, there can be provided an exhaust gas treatment compound oxide that can effectively remove particulates and NOx contained in exhaust gas with a high oxygen concentration that is discharged from a diesel engine etc., and also has excellent resistance to sulfur poisoning.