ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,901, issued on Nov. 11, was assigned to Dow Global Technologies LLC (Midland, Mich.).
"Polymerization of ethylene in solution processes using a Ziegler-Natta catalyst and a hydrogenation procatalyst" was invented by Linfeng Chen (Missouri City, Texas) and David M. Pearson (Lake Jackson, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Processes of polymerizing olefin monomers and catalyst systems. The catalyst systems include a non-hydrogen-generating post-metallocene procatalyst; a co-catalyst; and a hydrogenation procatalyst having the formula Cp2TiXnTiCp2 or Cp2TiXn, in which each Cp is cyclopentadienyl substituted with at least one (C1-C10)a...