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:
Aug. 25, 2020

Filed:

Sep. 25, 2018
Applicant:

Johnson Matthey Public Limited Company, London, GB;

Inventors:

Tomotaka Hirota, Tochigi, JP;

Yasunori Kurashima, Tochigi, JP;

Shuhei Nagaoka, Tochigi, JP;

Yukie Ohtsuka, Tochigi, JP;

Satoshi Sumiya, Tochigi, JP;

Takayuki Suzuki, Tochigi, JP;

Takashi Yamada, Tochigi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/10 (2006.01); F01N 3/10 (2006.01); F01N 3/28 (2006.01); B01J 21/04 (2006.01); B01J 21/10 (2006.01); B01J 23/46 (2006.01); B01J 35/00 (2006.01); B01D 53/86 (2006.01); B01J 23/63 (2006.01); B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
F01N 3/101 (2013.01); B01D 53/865 (2013.01); B01D 53/945 (2013.01); B01J 21/04 (2013.01); B01J 21/10 (2013.01); B01J 23/10 (2013.01); B01J 23/464 (2013.01); B01J 23/63 (2013.01); B01J 35/0006 (2013.01); F01N 3/2803 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/2061 (2013.01); B01D 2255/2063 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/2066 (2013.01); B01D 2255/2068 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/407 (2013.01); B01D 2255/502 (2013.01); B01D 2255/702 (2013.01); B01D 2255/908 (2013.01); B01D 2255/9032 (2013.01); B01D 2255/9207 (2013.01); B01D 2257/404 (2013.01); B01D 2258/01 (2013.01); B01D 2258/014 (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 comprises: a substrate; and a catalytic region on the substrate; wherein the catalytic region comprises a platinum group metal (PGM) component, an oxide, and a rare earth metal component; wherein the oxide is an inorganic oxide, an oxygen storage component (OSC) material, or a mixture thereof; wherein the rare earth metal component concentration by element on the surface of the oxide per unit specific surface area of the oxide is 1 μmol/mto 20 μmol/m.


Find Patent Forward Citations

Hirota, Tomotaka. (2020). Exhaust gas purification catalyst (U.S. Patent No. 10753248). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10753248

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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