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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.:

US 11788450 B1

PDFFull Text
Date of Patent:
Oct. 17, 2023

Filed:

Oct. 19, 2021

Twc catalysts for gasoline engine exhaust gas treatments

Applicant:

Johnson Matthey Public Limited Company, London, GB;

Inventors:

Paul Millington, Reading, GB;

Maria C. Vlachou, Reading, GB;

Assignee:

Johnson Matthey Public Limited Company, London, GB;

Attorney:

Ni Yan

Primary Examiner:

Cam N Nguyen

Int. Cl.
CPC ...
B01J 21/04 (2006.01); B01J 21/06 (2006.01); B01J 21/08 (2006.01); B01J 21/10 (2006.01); B01J 21/12 (2006.01); B01J 23/00 (2006.01); B01J 23/10 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 23/63 (2006.01); B01J 35/00 (2006.01); B01J 35/04 (2006.01); B01D 53/94 (2006.01); F01N 3/10 (2006.01); F01N 3/28 (2006.01); B01J 37/03 (2006.01);
U.S. Cl.
CPC ...
F01N 3/101 (2013.01); B01J 23/002 (2013.01); B01J 23/10 (2013.01); B01J 23/42 (2013.01); B01J 23/44 (2013.01); B01J 23/464 (2013.01); B01J 37/038 (2013.01); F01N 2570/10 (2013.01); F01N 2570/12 (2013.01); F01N 2570/14 (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 rhodium (Rh) and platinum (Pt); and wherein Pt and Rh has a weight ratio of at least 1:10.

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Millington, Paul. (2023). Twc catalysts for gasoline engine exhaust gas treatments (U.S. Patent No. 11788450). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11788450

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