Lubricating compositions containing bismuth compounds
US5576273A · kind A · utility
11Cited by
12References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1995 |
| Grant date | Nov 19, 1996 |
| Priority date | — |
| Expiry date | Nov 20, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2010/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to synergistic extreme pressure compositions comprising (1) an alkylenebis(dihydrocarbyldithiocarbamate) compound and (2) a bismuth compound selected from the group consisting of bismuth carboxylates, bismuth dihydrocarbyldithiocarbamates and bismuth dihydrocarbylphosphorodithioates. Lubricating compositions containing the synergistic compositions possess good extreme pressure properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.