ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,300, issued on Dec. 9, was assigned to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (Clermont-Ferrand, France).
"Rubber composition" was invented by Patricia Lagarde (Clermont-Ferrand, France) and Aline Riou (Clermont-Ferrand, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rubber composition is based on at least one elastomeric matrix comprising at least one diene elastomer, at least one reinforcing filler predominantly comprising carbon black and at least one reinforcing inorganic filler, at least one plasticizing resin having a glass transition temperature of greater than or equal to 20deg C., at least one cobalt salt and at least one su...