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:
Oct. 13, 2020
Filed:
Oct. 24, 2019
Applicant:
Cataler Corporation, Kakegawa-shi, Shizuoka, JP;
Inventors:
Assignee:
Cataler Corporation, Kakegawa-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/56 (2006.01); F01N 3/10 (2006.01);
U.S. Cl.
CPC ...
F01N 3/103 (2013.01); B01J 23/56 (2013.01); F01N 3/101 (2013.01); F01N 2510/0684 (2013.01);
Abstract
An exhaust gas-purifying catalyst of the present invention comprising a substrate, a first catalyst layer comprising a first supported catalyst, a second supported catalyst, palladium, and a first nitrogen oxide storage material, and a second catalyst layer comprising a third supported catalyst having an alloying rate of platinum and palladium of 40% or more and a second nitrogen oxide storage material, wherein a mass of the second supported catalyst is greater than a mass of the first supported catalyst and greater than a mass of the third supported catalyst.