ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,549, issued on July 8, was assigned to ADISSEO FRANCE S.A.S. (Antony, France).

"Agent for initiating a radical addition reaction and process using it" was invented by Virginie Belliere-Baca (Millery, France), Olivier Peruch (Lyons, France), Didier Morvan (Mornant, France) and Antoine Petrelli (Lyons, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An agent for initiating a radical addition reaction includes a persulfate and one or more transition metals, in elemental form or in an oxidized form, as well as a method for preparing a compound of formula (I) in which X is selected from S, Se and O; by a radical addition reaction in the presence of ...