Sulfurized olefin process
US4563302A · kind A · utility
9Cited by
5References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1983 |
| Grant date | Jan 7, 1986 |
| Priority date | — |
| Expiry date | Dec 1, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2219/022
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A sulfurized olefin of improved solubility in lubricating oil is made by reacting sulfur monochloride with a monoolefin (e.g. isobutylene) to form an adduct which is reacted with sodium sulfide, sodium hydrosulfide, sulfur and alkyl mercaptan (e.g. tert-butyl mercaptan) in an aqueous alcohol reaction medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.