and have core including the mono-vinyl aromatic monomer and a shell of first (co)monomer; tireUS787515119 sept. 200825 janv. 2011Imerys Minerals Ltd.Kaolin products and their productionUS788416019 d???c. 20068 f???vr. 2011Bridgestone Corporationcross-linked shell-core polymer contains monomers of divinyl-benzene, isoprene, styrene; tiresUS789769016 juil. 20091 mars 2011Bridgestone CorporationRubbe