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. 10, 2026
Filed:
Feb. 08, 2023
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Assignee:
JOHNSON MATTHEY PUBLIC LIMITED COMPANY, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 21/04 (2006.01); B01D 53/94 (2006.01); B01J 21/06 (2006.01); B01J 23/10 (2006.01); B01J 23/63 (2006.01);
U.S. Cl.
CPC ...
B01J 21/04 (2013.01); B01D 53/9418 (2013.01); B01J 21/066 (2013.01); B01J 23/63 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/2063 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/20715 (2013.01); B01D 2255/2092 (2013.01); B01D 2257/40 (2013.01); B01D 2258/01 (2013.01); B01J 2523/3706 (2013.01); B01J 2523/3712 (2013.01); B01J 2523/822 (2013.01); B01J 2523/828 (2013.01);
Abstract
A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprising: a substrate comprising an inlet end and an outlet end with an axial length L; a first catalytic region comprising a first platinum group metal (PGM) component supported on a first PGM support material, wherein the first PGM component comprises platinum and rhodium; and wherein the first PGM support material comprises ZrO—AlO.