US Patent Issued to UMICORE on Feb. 3 for "Catalyst for the abatement of ammonia and nitrogen oxide emissions from the exhaust gases of combustion engines" (German Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,493, issued on Feb. 3, was assigned to UMICORE AG & Co. KG (Hanau-Wolfgang, Germany).

"Catalyst for the abatement of ammonia and nitrogen oxide emissions from the exhaust gases of combustion engines" was invented by Massimo Colombo (Frankfurt am Main, Germany) and Michael Seyler (Mainaschaff, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a catalyst comprising a carrier substrate of the length L, which extends between a first end face 'a' and a second end face 'b', and differently composed material zones A and B arranged on the carrier substrate, wherein material zone A comprises platinum and no palladium or p...