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:
Oct. 01, 2024
Filed:
Oct. 17, 2019
Applicant:
Umicore Ag & Co. KG, Hanau-Wolfgang, DE;
Inventors:
Assignee:
UMICORE AG & CO. KG, Hanau-Wolfgang, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 35/00 (2024.01); B01J 35/30 (2024.01); F01N 3/035 (2006.01); F01N 3/10 (2006.01); F01N 3/08 (2006.01);
U.S. Cl.
CPC ...
F01N 3/101 (2013.01); B01J 23/44 (2013.01); B01J 23/464 (2013.01); B01J 35/30 (2024.01); F01N 3/035 (2013.01); F01N 3/0835 (2013.01); F01N 3/0842 (2013.01); F01N 3/0857 (2013.01); F01N 2250/02 (2013.01);
Abstract
Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices: a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2), wherein the wash coat load (WCL) of the GPF is greater than the WCL of the TWC2, wherein the WCL is determined in g/l of the volume of the device. The invention also relates to methods in which the system is used and uses of the system.