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:
Nov. 10, 1981
Filed:
May. 20, 1980
Applicant:
Inventors:
Yoshiyasu Fujitani, Nagoya, JP;
Hideaki Muraki, Nagoya, JP;
Shiroh Kondoh, Aichi, JP;
Makoto Tomita, Obu, JP;
Kouji Yokota, Nagoya, JP;
Hideo Sobukawa, Nagoya, JP;
Assignee:
Kabushiki Kaisha Toyota Chuo Kenkyusho, Nagoya, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
252462 ; 2524 / ; 2524 / ; 252471 ; 252472 ; 4232135 ;
Abstract
A catalyst for reducing nitrogen oxides, carbon monoxide and hydrocarbons, the noxious components in exhaust gases from internal combustion engines, etc., comprising: a porous carrier consisting essentially of zirconia and at least one oxide selected from the group consisting of cerium oxide, manganese oxide and iron oxide; and a metal as a catalyst ingredient supported thereon selected from the group consisting of platinum, palladium and mixtures thereof. A method for producing the aforesaid catalyst.