公开(公告)号：US11098263B2

公开(公告)日：2021-08-24

申请号：US16336258

申请日：2017-09-25

Applicant: Cosmo Oil Lubricants Co., Ltd.

Inventor： Kuniharu Yamamoto ,  Masaaki Kondo ,  Kenichi Sekine

IPC: C10M169/04 ,  C10M133/06 ,  C10M135/08 ,  C10M135/22 ,  C10M137/04 ,  C10M141/10 ,  C10M133/04 ,  C10M135/00

Abstract: A lubricating oil composition for a sliding guide surface, which includes a lubricant base oil, an acid phosphate ester mixture having a structure represented by the following Formula (1) and including an acid phosphate monoester and an acid phosphate diester, and an aliphatic monoamine, and which satisfies a predetermined condition A or condition B, is provided. In Formula (1), each of R1 and R2 represents a hydrogen atom or a saturated or unsaturated straight-chain aliphatic hydrocarbon group having from 1 to 30 carbon atoms, and R1 and R2 are not simultaneously hydrogen atoms. (R1O)(R2O)(HO)P═O  (1)

公开(公告)号：US20190300816A1

公开(公告)日：2019-10-03

申请号：US16336258

申请日：2017-09-25

Applicant: Cosmo Oil Lubricants Co., Ltd.

Inventor： Kuniharu Yamamoto ,  Masaaki Kondo ,  Kenichi Sekine

IPC: C10M169/04 ,  C10M137/04 ,  C10M133/06 ,  C10M135/08 ,  C10M135/22 ,  C10M141/10

Abstract: A lubricating oil composition for a sliding guide surface, which includes a lubricant base oil, an acid phosphate ester mixture having a structure represented by the following Formula (1) and including an acid phosphate monoester and an acid phosphate diester, and an aliphatic monoamine, and which satisfies a predetermined condition A or condition B, is provided. In Formula (1), each of R1 and R2 represents a hydrogen atom or a saturated or unsaturated straight-chain aliphatic hydrocarbon group having from 1 to 30 carbon atoms, and R1 and R2 are not simultaneously hydrogen atoms. (R1O)(R2O)(HO)P═O  (1)