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. 07, 2026

Filed:

Aug. 23, 2021
Applicant:

Cataler Corporation, Kakegawa, JP;

Inventors:

Shunsuke Oishi, Kakegawa, JP;

Naruya Inada, Kakegawa, JP;

Ryoichi Ogawa, Kakegawa, JP;

Assignee:

CATALER CORPORATION, Kakegawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/42 (2006.01); B01D 53/94 (2006.01); B01J 20/16 (2006.01); B01J 23/00 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 23/63 (2006.01); B01J 29/40 (2006.01); B01J 29/70 (2006.01);
U.S. Cl.
CPC ...
B01D 53/9454 (2013.01); B01D 53/9468 (2013.01); B01D 53/9486 (2013.01); B01J 20/165 (2013.01); B01J 23/005 (2013.01); B01J 23/42 (2013.01); B01J 23/44 (2013.01); B01J 23/464 (2013.01); B01J 29/70 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/1025 (2013.01); B01D 2255/50 (2013.01); B01D 2255/908 (2013.01); B01D 2257/40 (2013.01); B01D 2257/502 (2013.01); B01D 2257/702 (2013.01); B01D 2258/01 (2013.01);
Abstract

An gas purification catalyst device having a catalyst coated layer formed on at least one base material, wherein: the catalyst coated layer includes a first catalyst coated layer on the upstream side of an exhaust gas flow, and a second catalyst coated layer on the downstream side of the exhaust gas flow; the first catalyst coated layer includes a hydrocarbon adsorbent and a catalytic precious metal; and the second catalyst coated layer includes a nitrogen oxide adsorbent and a catalytic precious metal.


Find Patent Forward Citations

Oishi, Shunsuke. (2026). Exhaust gas purification catalyst device (U.S. Patent No. 12594525). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12594525

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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