US Patent Issued to Dow Global Technologies on July 22 for "Polymerization catalysts for production of polyethylene with high molecular weight" (Chinese, American Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,750, issued on July 22, was assigned to Dow Global Technologies LLC (Midland, Mich.).

"Polymerization catalysts for production of polyethylene with high molecular weight" was invented by Linfeng Chen (Beijing), Kurt F. Hirsekorn (Lake Jackson, Texas), Jeffrey A. Sims (Lake Jackson, Texas) and David M. Pearson (Lake Jackson, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The catalyst system includes a heterogeneous procatalyst, an electron donor, and a hydrogenation procatalyst. The heterogeneous procatalyst includes a titanium species, an aluminum species, and a magnesium chloride component. The hydrogenation procatalyst has the formula Cp2TiX...