Antioxidant additive for lubricant compositions, comprising organotungstate
US7858565B2 · kind B2 · utility
1Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2007 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Oct 1, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2060/09
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates an additive for improving antioxidant capabilities in a lubricating composition, where the lubricating composition is based on a major amount of a lubricating oil and 0.1-5.0 mass percent of an additive, the additive including a secondary diarlyamine and an organoammonium tungstate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.