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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.:

US 11433380 B1

PDFFull Text
Date of Patent:
Sep. 06, 2022

Filed:

Jun. 24, 2021

Catalyst for reducing carbon monoxide and hydrocarbon, and method for preparing the same

Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Corporation, Seoul, KR;

Korea University Research and Business Foundation, Seoul, KR;

Inventors:

Kwan-Young Lee, Seoul, KR;

Dalyoung Yoon, Seongnam-si, KR;

Jin Woo Choung, Suwon-si, KR;

Jungkyu Choi, Seoul, KR;

Eun Jun Lee, Seoul, KR;

Yaeun Seo, Seoul, KR;

Haney Park, Seoul, KR;

Assignees:

HYUNDAI MOTOR COMPANY, Seoul, KR;

KIA CORPORATION, Seoul, KR;

KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, Seoul, KR;

Attorney:

McDonnell Boehnen Hulbert & Berghoff LLP

Primary Examiner:

Timothy C Vanoy

Int. Cl.
CPC ...
B01J 31/02 (2006.01); B01J 23/42 (2006.01); B01J 21/06 (2006.01); B01J 37/04 (2006.01); B01J 37/00 (2006.01); B01J 37/06 (2006.01); B01J 37/08 (2006.01); B01J 37/02 (2006.01); B01J 35/00 (2006.01); B01J 35/02 (2006.01); B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
B01J 31/0238 (2013.01); B01D 53/944 (2013.01); B01J 21/066 (2013.01); B01J 23/42 (2013.01); B01J 35/0006 (2013.01); B01J 35/023 (2013.01); B01J 37/009 (2013.01); B01J 37/0217 (2013.01); B01J 37/04 (2013.01); B01J 37/06 (2013.01); B01J 37/082 (2013.01); B01D 2255/1021 (2013.01); B01D 2255/20715 (2013.01); B01D 2255/30 (2013.01); B01D 2255/40 (2013.01); B01D 2255/9022 (2013.01); B01D 2255/9202 (2013.01);
Abstract

The present disclosure provides a catalyst for reducing CO and HC which is a core-shell particle including a core and a shell surrounding the core, the core includes metal oxide nanoparticles and noble metal nanoparticles fixed to the metal oxide nanoparticles, and the shell includes zirconia (ZrO), and a layer from which the metal oxide is removed between the core and the shell is included.

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