ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,917, issued on April 14, was assigned to ENEOS Corp. (Tokyo).
"Lubricating oil additive composition and lubricating oil composition" was invented by Toshitaka Nakamura (Tokyo), Shinji Hasegawa (Tokyo) and Mayuko Matsuoka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lubricating oil additive composition including: (i) at least one first amide compound, and/or a salt thereof, the at least one first amide compound being a monoamide of at least one fatty acid (a1), and at least one amine compound (a2), the amine compound (a2) being an oligomer of at least one alkanolamine (a3) represented by the general formula (1); and (ii) at least one seco...