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:
Jun. 21, 2022

Filed:

Oct. 12, 2018
Applicants:

Cataler Corporation, Kakegawa, JP;

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Haruka Makino, Kakegawa, JP;

Yasutaka Nomura, Kakegawa, JP;

Satoru Inoda, Kakegawa, JP;

Kenji Nakajima, Kakegawa, JP;

Naoto Miyoshi, Nagoya, JP;

Takeru Yoshida, Miyoshi, JP;

Akemi Sato, Toyota, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/56 (2006.01); B01J 35/00 (2006.01); B01D 53/94 (2006.01); F01N 3/28 (2006.01); B01J 35/04 (2006.01);
U.S. Cl.
CPC ...
B01J 35/04 (2013.01); B01D 53/9413 (2013.01); B01J 23/56 (2013.01); B01J 35/0006 (2013.01); F01N 3/2825 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/9155 (2013.01); F01N 2330/06 (2013.01); F01N 2330/30 (2013.01); F01N 2370/02 (2013.01);
Abstract

An exhaust gas purifying catalyst includes: a wall-flow structure substrate including an inlet cell, an outlet cell, and a porous partition; a first catalyst layer formed inside the partition such that a thickness of the first catalyst layer is between 40% and 60%, inclusive, of an overall thickness Tof the partition; and a second catalyst layer formed inside the partition such that the second catalyst layer extends across an entire region of the partition in a thickness direction thereof.


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