Synergistic antioxidant combinations for lubricating oils
US5595963A · kind A · utility
8Cited by
12References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1994 |
| Grant date | Jan 21, 1997 |
| Priority date | — |
| Expiry date | Dec 5, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention provides synergistic combinations of dithioketals with hindered phenols, phosphite esters, or mixtures thereof. These combinations are useful antioxidants in lubricating oils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.