ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,803, issued on Aug. 19, was assigned to CHEM32 LLC (Houston).

"Methods of treating and sulfiding hydroconversion catalysts" was invented by Soren Marklund (Houston) and Douglas G. Wene (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of treating hydroconversion catalysts used for cracking of hydrocarbons are described. A method can include mixing an inactive hydroconversion catalyst with a solid hydrocarbon containing material having a melting point of 50deg C. or greater. The inactive hydroconversion catalyst/solid hydrocarbon containing material mixture can be contacted with a gaseous stream that includes hydrogen (H2) and a sulfur-...