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:
Jul. 25, 2006
Filed:
Jun. 18, 2002
Applicants:
Mari Uenishi, Osaka, JP;
Isao Tan, Osaka, JP;
Hirohisa Tanaka, Osaka, JP;
Inventors:
Assignee:
Daihatsu Motor Co., Ltd., Ikeda, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/42 (2006.01); B01J 23/56 (2006.01); B01J 20/00 (2006.01); B01J 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exhaust gas purifying catalyst that provides the excellent low-temperature activity and also develops the good catalytic activity of rhodium to produce a good purifying performance economically. The exhaust gas purifying catalyst comprises an alumina on which rhodium and platinum are previously supported; a zirconium complex oxide on which rhodium and platinum are previously supported; and a cerium complex oxide on which platinum is previously supported.