Lubricating oil containing a mixed ligand metal complex and a metal thiophosphate
US5055211A · kind A · utility
15Cited by
6References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 1989 |
| Grant date | Oct 8, 1991 |
| Priority date | — |
| Expiry date | Sep 7, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The addition of certain mixed ligand metal complexes and a metal thiophosphate to a lubricating oil results in a significant improvement in the anti-wear performance of the oil. Tin dithiocarbamate-ethoxyethylxanthate and zinc dialkyldithiophosphate are preferred additives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.