Sulfurized olefin extreme pressure/antiwear additives and compositions thereof
US5135670A · kind A · utility
17Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1990 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | Jun 22, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Reaction products of sulfur, olefins and sodium sulfide hydrates are improved extreme-pressure/antiwear additives for lubricants and liquid hydrocarbyl fuels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.