Rhone-poulenc Specialites Chimiques

Guy-Noel Sauvion

Jack Caillod

Claire Gourlaouen

A ceric oxide composition, the specific surface of which remains essentially stable at elevated temperatures and which is thus well adopted for purposes of catalysis, is comprised of a plurality of solid, porous, finely divided ceric oxide particulates, said ceric oxide particulates advantageously having an effective amount of at least one oxide of another metallic element A intimately dispersed therein as to essentially prevent the coalescence of the micropores thereof.

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Chevilly-Larue, France

Guy-Noel Sauvion