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:
Feb. 20, 2024
Filed:
Jun. 11, 2019
Basf Corporation, Florham Park, NJ (US);
Heesung Catalysts Corporation, Seoul, KR;
Xiaolai Zheng, Iselin, NJ (US);
Patrick L Burk, Freehold, NJ (US);
Jinwoo Song, Incheon, KR;
Jun Lee, Gyeonggi-do, KR;
BASF Corporation, Florham Park, NJ (US);
Heesung Catalysts Corporation, Seoul, KR;
Abstract
This disclosure is directed to catalyst compositions, catalytic articles for purifying exhaust gas emissions and methods of making and using the same. In particular, the disclosure relates to a catalytic article including a catalytic material on a substrate, wherein the catalytic material has a first layer and a second layer. The first layer provides effective lean NOtrap functionality and the second layer provides effective three-way conversion of carbon monoxide, hydrocarbons, and nitrogen oxides (NO).