US Patent Issued to UMICORE on July 1 for "Exhaust gas purification system for a gasoline engine" (German Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,193, issued on July 1, was assigned to UMICORE AG & Co. KG (Hanau-Wolfgang, Germany).

"Exhaust gas purification system for a gasoline engine" was invented by Jan Schoenhaber (Darmstadt, Germany), Joerg-Michael Richter (Frankfurt, Germany) and Carolin Braun (Langen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 platinum-group metal concentration (PGM) of the TWC2 is greater than the ...