Method and lubricant composition for providing improved friction reduction
US4617134A · kind A · utility
6Cited by
15References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 1982 |
| Grant date | Oct 14, 1986 |
| Priority date | — |
| Expiry date | May 10, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method and composition for obtaining improved friction reducing properties is provided by a lubricating oil composition and the lubrication of internal combustion engines with said composition which comprises an additive combination of an ester of a polycarboxylic acid with a glycol or glycerol and an ashless dispersant containing a high molecular weight aliphatic hydrocarbon oil solubilizing group attached thereto and a selected amount of free hydroxyl groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.