Lubricant oil composition with improved friction reducing properties
US4459223A · kind A · utility
10Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1982 |
| Grant date | Jul 10, 1984 |
| Priority date | — |
| Expiry date | May 5, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating oil composition having improved friction reducing properties and the method of reducing friction in internal combustion engines by lubricating said engines with said lubricating oil which contains an effective friction reducing amount of an additive which is the reaction product of a dimer carboxylic acid and a polyhydric alcohol having at least three hydroxyl groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.