Sulfurized olefins
US5338468A · kind A · utility
14Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1992 |
| Grant date | Aug 16, 1994 |
| Priority date | — |
| Expiry date | Oct 5, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A procedure for the incorporation of sulfur into olefins which produces a non-staining, low odor, EP-active gear oil additive by reacting an olefin such as isobutylene with elemental sulfur in the presence of an aqueous solution of a strong base such as ammonia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.