US Patent Issued to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN on July 14 for "Masterbatch based on a modified polymer and an organophosphorus additive, and method for manufacturing same" (French Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,935, issued on July 14, was assigned to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (Clermont-Ferrand, France).

"Masterbatch based on a modified polymer and an organophosphorus additive, and method for manufacturing same" was invented by Francois Jean-Baptiste-Dit-Dominique (Clermont-Ferrand, France), Nathalie Coste (Clermont-Ferrand, France) and Adeline Jasselin (Clermont-Ferrand, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for manufacturing a masterbatch comprises the following steps: (a) bringing at least one initial polymer comprising at least one carbon-carbon unsaturation into contact with at least one 1,3-dipolar grafti...