ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,144, issued on July 15, was assigned to IDEMITSU KOSAN Co. LTD. (Chiyoda-ku, Japan).
"Lubricant composition" was invented by Kenji Sunahara (Chiyoda-ku, Japan), Shoichiro Fujita (Chiyoda-ku, Japan) and Masaya Kubota (Chiyoda-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a lubricating oil composition which, even while exhibiting an excellent friction reducing effect by combining plural types of molybdenum-based friction modifiers, has excellent high-temperature detergency, oxidation stability and copper corrosion resistance. The object has been achieved by a lubricating oil composition conta...