ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,961, issued on Oct. 28, was assigned to BASF Corp. (Florham Park, N.J.).
"Chromium catalyst, its preparation and use" was invented by Weiqing Joe Zou (Twinsburgh, Ohio), David James Brockway (Mentor, Ohio), Peter Pfab (Neustadt, Germany) and Matthias Georg Schwab (Mannheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a chromium oxide catalyst composition having reduced levels of chromium (VI), methods of making a chromium oxide catalyst composition and system, and illustrative uses of the chromium oxide catalyst composition and system. The catalyst disclosed may be a gel and may comprise chromium(III) oxide and chromiu...