US Patent Issued to ExxonMobil Chemical Patents on Nov. 18 for "Transition metal-complex catalysts having appended group 13 Lewis acids and related polymerization methods" (Texas Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,319, issued on Nov. 18, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).

"Transition metal-complex catalysts having appended group 13 Lewis acids and related polymerization methods" was invented by Nikola S. Lambic (Houston) and Matthew W. Holtcamp (Huffman, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions may comprise symmetrical and asymmetrical pyridine-containing transition metal-complexes having appended group 13 Lewis acids positioned on the pyridine-containing ligands of the transition metal-complex such that the group 13 Lewis acid may be near the catalytic site, thereby allowing the appended group 13 Lewis...