US Patent Issued to Chevron Phillips Chemical on Dec. 23 for "Methods of chromium catalyst activation to reduce gels and improve melt index potential" (Oklahoma, Texas Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,656, issued on Dec. 23, was assigned to Chevron Phillips Chemical Co. LP (The Woodlands, Texas).

"Methods of chromium catalyst activation to reduce gels and improve melt index potential" was invented by Max P. McDaniel (Bartlesville, Okla.), Zhihui Gu (Kingwood, Texas), Ted H. Cymbaluk (Seabrook, Texas), Anand Ramanathan (Bartlesville, Okla.), Julian Abrego (Pasadena, Texas), Taryn L Huber (Pasadena, Texas) and David W. Dockter (The Woodlands, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Processes for producing activated chromium catalysts such as titanated chromium/silica catalysts are disclosed, and these processes utilize a multistep proc...