US Patent Issued to IDEMITSU KOSAN on April 29 for "Lubricating oil composition, buffer and method for using lubricating oil composition" (Japanese Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,601, issued on April 29, was assigned to IDEMITSU KOSAN Co. LTD. (Chiyoda-ku, Japan).

"Lubricating oil composition, buffer and method for using lubricating oil composition" was invented by Kenji Kobayashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lubricating oil composition may be used for lubrication of a shock absorber. The composition may include a base oil (A), a zinc dithiophosphate (B), and an alkenylsuccinic imide (C). The lubricating oil composition can be more preferably applied to lubrication of a shock absorber. Based on the total lubricating oil composition mass, a content of the component (C) in terms of nitrogen atoms is i...