Mixed TBN detergents and lubricating oil compositions containing such detergents
US7704930B2 · kind B2 · utility
57Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2006 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Sep 27, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention concerns a detergent additive for lubricating oil compositions comprising at least two of low, medium, and high TBN detergents. Preferably the detergent is a calcium salicylate. The present invention also concerns lubricating oil compositions comprising such detergents, and at least one of Group II base stock, Group III base stock, or wax isomerate base stock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.