Antioxidant combinations of molybdenum complexes and organic sulfur compounds for lubricating oils
US4402840A · kind A · utility
41Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1981 |
| Grant date | Sep 6, 1983 |
| Priority date | — |
| Expiry date | Jul 1, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An antioxidant additive combination for lubricating oils is prepared by combining (a) a sulfur containing molybdenum compound prepared by reacting an ammonium tetrathiomolybdate, and a basic nitrogen compound, with (b) an organic sulfur compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.