US Patent Issued to Chevron U.S.A. on March 11 for "Synthesis of ton framework type molecular sieves" (California Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,969, issued on March 11, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"Synthesis of ton framework type molecular sieves" was invented by Joel Edward Schmidt (Oakland, Calif.) and Adeola Florence Ojo (Pleasant Hill, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is disclosed making a molecular of TON framework type having unique properties. The method uses 1,3,4-trimethylimidazolium cations as a structure directing agent and a combined source of silicon and aluminum selected from alumina-coated silica and aluminosilicate zeolites. The obtained molecular sieve can be used in processes for dewaxing paraffinic hydrocarbon fe...