ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,770, issued on June 3, was assigned to Chevron Phillips Chemical Co. LP (The Woodlands, Texas).
"High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization" was invented by Max P. McDaniel (Bartlesville, Okla.), Eric D. Schwerdtfeger (Bartlesville, Okla.), Qing Yang (Bartlesville, Okla.), Carlos A Cruz (Kingwood, Texas), Jinping J. Zhou (Bartlesville, Okla.), Anand Ramanathan (Bartlesville, Okla.), Kathy S. Clear (Bartlesville, Okla.) and Zhihui Gu (Kingwood, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Fluorided silica-coated alumina activator-supports hav...