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:
Apr. 19, 2022
Filed:
Feb. 22, 2019
Basf Corporation, Florham Park, NJ (US);
Yun Fei Qi, Shanghai, CN;
Jun Cong Jiang, Shanghai, CN;
Shau Lin Chen, Shanghai, CN;
Weiyong Tang, Shanghai, CN;
Yu Lin Qiu, Shanghai, CN;
Liang Fang Lv, Shanghai, CN;
Yan Zhu Lei, Shanghai, CN;
BASF Corporation, Florham Park, NJ (US);
Abstract
A catalyst for gasoline engine exhaust gas after-treatment, comprising Pt and optionally at least one other platinum group metal on a hydrothermal stable support material which is coated onto a gasoline particulate filter. The catalyst oxidizes particulate matter trapped in the gasoline particulate filter under low temperature and abates NO, CO and HC. Also a process for preparing the catalyst is disclosed, and a method for after-treatment of gasoline engine exhaust gas using the catalyst is disclosed.