Lubricating oil compositions
US5616543A · kind A · utility
3Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 1996 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Mar 11, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B2075/027
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A lubricating oil composition suitable for use in low- or medium-speed diesel engines comprising a fuel oil with a residual oil content characterised in that the lubricating oil composition further comprises a "black paint" reducing amount of the product obtained by the reaction at elevated temperature of a hydrocarbyl-substituted succinic anhydride with either serine or an aminosalicylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.