US Patent Issued to ECOVYST CATALYST TECHNOLOGIES on May 20 for "Chromium-on-silica catalysts and methods of making the same" (British, American Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,975, issued on May 20, was assigned to ECOVYST CATALYST TECHNOLOGIES LLC (Malvern, Pa.).

"Chromium-on-silica catalysts and methods of making the same" was invented by Yatao Rachel Hu (Malvern, Pa.), Parag Rasiklal Shah (Lafayette Hill, Pa.), David George Collopy (Cheshire, Great Britain), Robert Joseph Parker (Cheshire, Great Britain) and Myoung Kie Lee (King of Prussia, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition, such as a catalyst precursor or a catalyst comprising a Cr coated silica support with particularly defined levels of Na and Al, such that the resulting Cr/Silica catalyst has an increased MI potential is disclosed. In...