Lubricating oil composition
US10011802B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2015 |
| Grant date | Jul 3, 2018 |
| Priority date | — |
| Expiry date | Feb 16, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/045
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating oil composition includes: a lubricating base oil; a component (A) that is a metal detergent having a base value of less than 100 mgKOH/g; a component (B) that is a metal detergent having a base value of 100 mgKOH/g or more; a component (C) that is a tertiary amine represented by a formula (1) below, in which R1 is a hydrocarbon group having 4 carbon atoms or more, and R2 and R3 each are a hydrocarbon group having 4 carbon atoms or less; and a component (D) that is at least one of acid phosphate and acid phosphite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.