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.
Patent No.:
Date of Patent:
Sep. 16, 2025
Filed:
Apr. 30, 2020
Applicant:
Cataler Corporation, Kakegawa, JP;
Inventor:
Yoshinori Yamashita, Kakegawa, JP;
Assignee:
CATALER CORPORATION, Kakegawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); B01J 21/04 (2006.01); B01J 23/42 (2006.01); B01J 29/78 (2006.01); B01J 35/00 (2006.01); B01J 35/56 (2024.01); F01N 3/20 (2006.01); F01N 3/28 (2006.01);
U.S. Cl.
CPC ...
B01J 29/78 (2013.01); B01D 53/9418 (2013.01); B01D 53/9436 (2013.01); B01D 53/9468 (2013.01); B01D 53/9472 (2013.01); B01D 53/9477 (2013.01); B01J 21/04 (2013.01); B01J 23/42 (2013.01); B01J 35/19 (2024.01); B01J 35/56 (2024.01); B01D 2255/1021 (2013.01); B01D 2255/2065 (2013.01); B01D 2255/20707 (2013.01); B01D 2255/20723 (2013.01); B01D 2255/20738 (2013.01); B01D 2255/20776 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/30 (2013.01); B01D 2255/40 (2013.01); B01D 2255/50 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9032 (2013.01); F01N 3/2066 (2013.01); F01N 3/2803 (2013.01); F01N 3/2842 (2013.01); F01N 2370/04 (2013.01); F01N 2610/02 (2013.01);
Abstract
An ammonia oxidation catalyst device, including a substrate, a first catalyst coat layer and a second catalyst coat layer, wherein: the first catalyst coat layer includes inorganic oxide particles and a catalytic noble metal supported on the inorganic oxide particles; the second catalyst coat layer includes an NOselective reduction catalyst and a proton zeolite H-Zeolite; the first catalyst coat layer is present on the substrate; and the second catalyst coat layer is present on the first catalyst coat layer.