US Patent Issued to Chevron U.S.A. on March 17 for "Metals recovery from spent supported catalyst" (California Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,125, issued on March 17, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"Metals recovery from spent supported catalyst" was invented by Rahul Shankar Bhaduri (Moraga, Calif.), Oleg A. Mironov (Kensington, Calif.) and Alexander E. Kuperman (Moraga, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An improved method for recovering metals from spent supported catalysts, including spent supported hydroprocessing catalysts. The method and associated processes comprising the method are useful to recover spent supported catalyst metals used in the petroleum and chemical processing industries. The method generally involves a combination of a...