ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,583, issued on Oct. 21, was assigned to CHEVRON ORONITE COMPANY LLC (San Ramon, Calif.) and CHEVRON JAPAN LTD. (Tokyo).

"Lubricating oil composition" was invented by Priyank Shah (Dublin, Calif.), Hiroki Andoh (Makinohara, Japan), Masami Fuchi (Makinohara, Japan), Takahiro Nakagawa (Omaezaki, Japan), Ataru Minami (Omaezaki, Japan), Satoshi Ohta (Matsudo, Japan) and Koichi Kubo (Kanagawa-Ku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure describes a lubricating oil composition that includes a major amount of an oil of lubricating viscosity and one or more nitrogen-containing additive having the formula:wherein R1 is functional g...