Lubricating oil compositions
US7696137B2 · kind B2 · utility
4Cited by
15References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2005 |
| Grant date | Apr 13, 2010 |
| Priority date | — |
| Expiry date | May 14, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating oil composition is disclosed which comprises a lubricating base oil, (A) at least one type of compound selected from specific phosphoric acid esters and salts thereof or in combination with (B) at least one type of compound selected from specific metal salts of specific phosphoric acid esters, with excellent oxidation stability, base number retention properties, anti-wear properties, extreme pressure properties and anti-corrosion properties and thus can be suitably used, in particular, as a lubricating oil for an internal combustion engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.