Lubricant containing a synergistic combination of rust inhibitors, antiwear agents, and a phenothiazine antioxidant
US7176168B2 · kind B2 · utility
5Cited by
21References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2004 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Aug 2, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention describes an improved lubricant composition comprising a particularly effective combination of components comprising ashless antiwear and rust inhibitor additives with an antioxidant liquid mixture formed by reacting an olefin with a mixture of diphenylamines and phenothiozines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.