Lubricating composition containing an ashless TBN booster
US9771541B2 · kind B2 · utility
1Cited by
14References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2013 |
| Grant date | Sep 26, 2017 |
| Priority date | — |
| Expiry date | Aug 19, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a lubricating composition containing an oil of lubricating viscosity and a sulfurized aromatic amine compound, especially sulfur coupled aniline. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of the sulfurized aromatic amine compound as a TBN booster and an antioxidant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.