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. 10, 2018

Filed:

Nov. 06, 2014
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventors:

Masahide Miura, Toyota, JP;

Isao Chinzei, Toyota, JP;

Tetsuhiro Hirao, Toyota, JP;

Tadashi Suzuki, Nagakute, JP;

Toshitaka Tanabe, Nagakute, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/89 (2006.01); B01J 23/46 (2006.01); B01D 53/94 (2006.01); B01J 23/63 (2006.01); B01J 35/00 (2006.01);
U.S. Cl.
CPC ...
B01J 23/894 (2013.01); B01D 53/945 (2013.01); B01J 23/464 (2013.01); B01J 23/63 (2013.01); B01J 35/0006 (2013.01); B01J 35/0073 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/2063 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/20715 (2013.01); B01D 2255/20738 (2013.01); B01D 2255/407 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9032 (2013.01); Y02T 10/22 (2013.01);
Abstract

Provided is an exhaust gas control catalyst including: a substrate (); and a catalyst layer () that is arranged on the substrate, in which the catalyst layer () includes a palladium region () that contains palladium, aluminum oxide, ceria-zirconia solid solution, and a composite oxide of lanthanum, iron, and zirconium, and a rhodium region () that is arranged adjacent to the palladium region along a plane direction of the catalyst layer and contains rhodium, aluminum oxide, and ceria-zirconia solid solution.


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