ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,715, issued on Feb. 18, was assigned to KONASOL Co. LTD. (Dangjin-si, South Korea).
"Lubricating oil composition" was invented by Yeon Joo Bae (Gyeongsangnam-do, South Korea), Keum Cheol Hwang (Hwaseong-si, South Korea) and Im Joo Choi (Dangjin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a lubricating oil composition including a lubricating oil additive and a lubricating oil, the lubricating oil additive having nanodiamonds, of which a surface is hydrophobically modified by a surface treatment, dispersed in a base oil. The lubricating oil composition retains dispersibility over a long period of time and thus can ensure...