US Patent Issued to RHODIA OPERATIONS on March 24 for "Cerium- and zirconium-based mixed oxides" (French, Chinese Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,966, issued on March 24, was assigned to RHODIA OPERATIONS (Paris).

"Cerium- and zirconium-based mixed oxides" was invented by Simon Ifrah (La Jarrie, France), Wie Li (Shanghai), Valerie Buissette (Paris), Stephane Denaire (Jouy-le-Moutier, France) and Rui Miguel Jorge Coelho Marques (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a composition comprising at least a cerium and zirconium based mixed oxide comprising zirconium, cerium, lanthanum and optionally at least one rare earth other than cerium and lanthanum; said mixed oxide exhibiting a high thermal resistance and are in particular capable of maintaining a large specifi...