US Patent Issued to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE SUPERIEURE DE CHIMIE PHYSIQUE ELECTRONIQUE DE LYON, UNIVERSITE CLAUDE BERNARD LYON 1 on April 7 for "Catalyst system based on a rare-earth metallocene and a co-catalyst having a plurality of carbon-magnesium bonds" (French Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,321, issued on April 7, was assigned to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (Clermont-Ferrand, France), CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (Paris Cedex, France), ECOLE SUPERIEURE DE CHIMIE PHYSIQUE ELECTRONIQUE DE LYON (Villeurbanne Cedex, France) and UNIVERSITE CLAUDE BERNARD LYON 1 (Villeurbanne Cedex, France).

"Catalyst system based on a rare-earth metallocene and a co-catalyst having a plurality of carbon-magnesium bonds" was invented by Robert Ngo (Clermont-Ferrand Cedex, France), Nicolas Baulu (Clermont-Ferrand Cedex, France), Christophe Boisson (Tramoyes, France), Franck D'Agosto (Genas, France), Francois Jean-Baptiste-Dit-Dominique (Clermont-Ferrand Ce...