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:
Mar. 15, 1994
Filed:
Nov. 27, 1991
Applicant:
Inventors:
Hideaki Muraki, Nagoya, JP;
Tokuta Inoue, Mishima, JP;
Kiyohiko Oishi, Toyota, JP;
Kenji Katoh, Sunto, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C01B / ; C01B / ;
U.S. Cl.
CPC ...
4232391 ; 4232135 ;
Abstract
A method for purifying an oxygen excess exhaust gas by catalytically reducing nitrogen oxides contained in the exhaust gas, which comprises bringing a catalyst comprising at least one noble metal supported on a carrier composed mainly of an oxide or a complex oxide of at least one metal selected from rare earth metals and metals of the group IV A of the periodic table of elements into contact the exhaust gas.
Muraki, Hideaki. (1994). Method for catalytically purifying exhaust gas (U.S. Patent No. 5294421). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5294421
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile