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:
Jan. 30, 2001
Filed:
Mar. 31, 1997
Applicant:
Inventors:
Takahiro Kurokawa, Hiroshima, JP;
Akihide Takami, Hiroshima, JP;
Hideharu Iwakuni, Hiroshima, JP;
Makoto Kyogoku, Hiroshima, JP;
Shinichi Tanioka, Hiroshima, JP;
Kenichi Yamamoto, Hiroshima, JP;
Yoko Kawakami, Hiroshima, JP;
Hiroshi Murakami, Hiroshima, JP;
Hirosou Oda, Hiroshima, JP;
Tadashi Tokuyama, Hiroshima, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/300 ; B01J 2/302 ;
U.S. Cl.
CPC ...
B01J 2/300 ; B01J 2/302 ;
Abstract
A catalytic base material for an exhaust gas purifying catalyst is produced by impregnating ceria powders with a barium contained solution and heating the ceria particles at approximately 400 to 1100° C. to create and accumulate barium oxides fixed to surfaces of the ceria particles.