Synergistic combinations for use in functional fluid compositions
US5962378A · kind A · utility
16Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1998 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Jul 21, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides functional fluid compositions containing a major portion of oil of lubricating viscosity and a novel and synergistic combination of an acylated nitrogen-containing compound having an olefinic substituent averaging in carbon number from 20 to 60 and at least one ashless detergent/dispersant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.