ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,311, issued on May 13, was assigned to Dow Global Technologies LLC (Midland, Mich.).
"Biaryl hydroxythiophene group IV transition metal polymerization with chain transfer capability" was invented by Andrew M. Camelio (Midland, Mich.), Brad C. Bailey (Midland, Mich.), Matthew D. Christianson (Midland, Mich.), Robert DJ Froese (Midland, Mich.) and David D. Devore (Midland, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this disclosure include polymerization processes that include contacting propylene and/or one or more (C4-C12)Alpha-olefins in a reactor including a catalyst system. The catalyst system comprises a metal-ligand comp...