US Patent Issued to Chevron U.S.A. on Feb. 10 for "High nanopore volume hydrotreating catalyst and process" (California Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,737, issued on Feb. 10, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"High nanopore volume hydrotreating catalyst and process" was invented by Yihua Zhang (Albany, Calif.) and Guan-Dao Lei (Walnut Creek, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Hydrotreating catalyst and process for making a base oil product using a catalyst having a base comprising a high nanopore volume amorphous silica alumina (ASA) and an alumina. The amorphous silica alumina has a pore volume in the 11-20 nm pore diameter range of 0.2 to 0.9 cc/g and the alumina has a pore volume in the 11-20 nm pore diameter range of 0.01 to 1.0 cc/g, with the base for...