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:
Jan. 02, 2018

Filed:

Jan. 20, 2017
Applicant:

Cataler Corporation, Kakegawa-shi, Shizuoka, JP;

Inventors:

Satoshi Matsueda, Kakegawa, JP;

Akimasa Hirai, Kakegawa, JP;

Kenichi Taki, Kakegawa, JP;

Sho Hoshino, Kakegawa, JP;

Assignee:

CATALER CORPORATION, Kakegawa-Shi, Shizuoka, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/10 (2006.01); B01J 23/40 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 23/745 (2006.01); B01J 23/83 (2006.01); B01J 23/84 (2006.01); B01J 23/847 (2006.01); B01J 23/881 (2006.01); B01J 23/887 (2006.01); B01J 23/888 (2006.01); B01J 23/89 (2006.01); B01D 53/94 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
B01J 23/894 (2013.01); B01D 53/945 (2013.01); B01D 53/9454 (2013.01); B01J 23/002 (2013.01); B01J 23/42 (2013.01); B01J 23/44 (2013.01); B01J 23/464 (2013.01); B01J 23/8474 (2013.01); B01J 23/8476 (2013.01); B01J 23/888 (2013.01); B01J 23/8871 (2013.01); F01N 3/2807 (2013.01); B01D 2255/102 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/1026 (2013.01); B01D 2255/1028 (2013.01); B01D 2255/206 (2013.01); B01D 2255/2061 (2013.01); B01D 2255/2063 (2013.01); B01D 2255/2068 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/20738 (2013.01); B01D 2255/20769 (2013.01); B01D 2255/20776 (2013.01); B01D 2255/402 (2013.01); B01J 2523/00 (2013.01);
Abstract

An exhaust gas-purifying catalyst includes a support and a catalytic metal as one or more precious metals supported by the support. The support includes a composite oxide having a composition represented by a general formula ABCO, wherein A represents one or more elements selected from the group consisting of lanthanum, neodymium, and yttrium, B represents iron or a combination of iron and aluminum, C represents one or more elements selected from the group consisting of iridium, ruthenium, tantalum, niobium, molybdenum, and tungsten, α and β each represents a numerical value within a range of more than 0 and less than 1, and α and β satisfy relational formulae of β>α and α+β≦1.


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