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:
Feb. 24, 2004
Filed:
May. 06, 2002
Applicant:
Inventors:
Masahiro Inoue, Onojo, JP;
Tatsuro Miyazaki, Fukuoka, JP;
Nobuyuki Tokubuchi, Saga, JP;
Masaaki Arita, Onojo, JP;
Yota Hashimoto, Kasuga, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/7055 ; B01J 2/7043 ; B01J 2/7045 ; B01J 2/7047 ;
U.S. Cl.
CPC ...
B01J 2/7055 ; B01J 2/7043 ; B01J 2/7045 ; B01J 2/7047 ;
Abstract
The present invention provides the exhaust gas purification catalysts containing a first catalyst component comprising an inorganic oxide having heat resistance and a transition metal oxide supported on the surface of the inorganic oxide and a second catalyst comprising at least one alkali metal sulfate, which have a high catalytic activity for the burning of particulates.