Lubricating oil composition for sliding guide surface
US11098263B2 · kind B2 · utility
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Key dates
| Filing date | Sep 25, 2017 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Sep 25, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
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)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.