ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,022, issued on Sept. 1, was assigned to ADISSEO FRANCE S.A.S. (Antony, France), CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (Paris), ECOLE SUPERIEURE DE CHIMIE PHYSIQUE ELECTRONIQUE DE LYON (Villeurbanne, France) and ELECTRONIQUE DE LYON UNIVERSITE CLAUDE BERNARD LYON 1 (Villeurbanne, France).

"Method for producing methionine" was invented by Felix Taulou (Lyons, France), Didier Morvan (Mornant, France), Virginie Belliere-Baca (Millery, France) and Christophe Geantet (Miribel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention concerns a preparation of a compound of formula I, where X represents S or Se, by catalytic conversion of ...