US Patent Issued to Chevron Phillips Chemical on June 3 for "Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors" (Oklahoma, Texas Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,774, issued on June 3, was assigned to Chevron Phillips Chemical Co. LP (The Woodlands, Texas).

"Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors" was invented by Max P. McDaniel (Bartlesville, Okla.), Eric D. Schwerdtfeger (Bartlesville, Okla.), Jeffrey S. Lowell (Kingwood, Texas) and Scott E. Kufeld (The Woodlands, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Supported chromium (VI) catalysts containing a solid oxide, 0.05 to 5 wt. % chromium, and 0.2 to 20 wt. % carbon, in which the solid oxide or the catalyst has a particle size span from 0.5 to 1.4, less than 3 wt. % has a particle size greater...