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:
Jun. 08, 2021
Filed:
Oct. 03, 2019
Applicant:
Basf Corporation, Florham Park, NJ (US);
Inventors:
Shiang Sung, New York, NY (US);
Saeed Alerasool, Princeton, NJ (US);
Assignee:
BASF CORPORATION, Florham Park, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); C01B 3/00 (2006.01); C01B 3/04 (2006.01); C25B 1/04 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
F01N 3/206 (2013.01); B01D 53/944 (2013.01); B01D 53/9422 (2013.01); C01B 3/0031 (2013.01); C01B 3/047 (2013.01); C25B 1/04 (2013.01); B01D 2255/909 (2013.01);
Abstract
Systems for abatement of pollutants in an exhaust gas stream of an internal combustion engine including a hydrogen injection article configured to introduce hydrogen upstream of a catalytic article are effective for the abatement of carbon monoxide and/or hydrocarbons and/or nitrogen oxides. The introduction of hydrogen may be intermittent and/or during a cold-start period.