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. 23, 2022

Filed:

Jun. 07, 2018
Applicant:

Cataler Corporation, Kakegawa, JP;

Inventors:

Kazunari Sawada, Kakegawa, JP;

Ryota Onoe, Kakegawa, JP;

Tetsuhiro Hirao, Kakegawa, JP;

Assignee:

CATALER CORPORATION, Kakegawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 23/63 (2006.01); B01J 35/04 (2006.01); B01D 53/94 (2006.01); F01N 3/022 (2006.01); F01N 3/035 (2006.01); F01N 3/10 (2006.01); F01N 3/28 (2006.01); B01J 35/00 (2006.01);
U.S. Cl.
CPC ...
B01J 23/63 (2013.01); B01D 53/944 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); F01N 3/0222 (2013.01); F01N 3/035 (2013.01); F01N 3/101 (2013.01); F01N 3/2803 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/9035 (2013.01); F01N 2370/02 (2013.01); F01N 2510/0682 (2013.01);
Abstract

An exhaust gas purification catalyst having a substrate having a wall flow structure, and a catalyst layer. The catalyst layer has: an A section provided in the interior of the partition wall, along an extension direction X of the partition wall, from an exhaust gas inflow end section; a C section provided in the interior of the partition wall, along the extension direction X of the partition wall, from an exhaust gas outflow end section; and a B section disposed between the A section and the C section in the extension direction X of the partition wall, and provided over the surface of the partition wall on the side in contact with the inlet cell, the interior of the partition wall, and the surface of the partition wall on the side in contact with the outlet cell.


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