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.

Date of Patent:
Apr. 27, 2021

Filed:

Sep. 20, 2018
Applicant:

Johnson Matthey Public Limited Company, London, GB;

Inventors:

Kenneth Camm, Wayne, PA (US);

Hsiao-Lan Chang, Wayne, PA (US);

Hai-Ying Chen, Wayne, PA (US);

Michael Hales, Wayne, PA (US);

Kwangmo Koo, Wayne, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/63 (2006.01); B01D 53/94 (2006.01); B01J 21/04 (2006.01); B01J 37/02 (2006.01); F01N 3/10 (2006.01); B01J 37/00 (2006.01);
U.S. Cl.
CPC ...
B01J 23/63 (2013.01); B01D 53/945 (2013.01); B01D 53/9477 (2013.01); B01J 21/04 (2013.01); B01J 37/0009 (2013.01); B01J 37/0215 (2013.01); F01N 3/101 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/20715 (2013.01); B01D 2255/407 (2013.01); B01D 2255/908 (2013.01); B01D 2257/40 (2013.01); B01D 2257/502 (2013.01); B01D 2257/702 (2013.01); B01D 2258/01 (2013.01); B01D 2258/012 (2013.01); B01J 37/0225 (2013.01); B01J 2523/3712 (2013.01); B01J 2523/48 (2013.01); B01J 2523/822 (2013.01); B01J 2523/824 (2013.01); F01N 2370/02 (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; and a single catalyst layer deposited directly on the substrate; wherein the single catalyst layer comprises a first platinum group metal (PGM) component, an oxygen storage component (OSC) material, and an inorganic oxide; and wherein the single catalyst layer has a total washcoat loading of less than 2.4 g/in.


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