Additive for lubricants and hydrocarbon fuels comprising reaction products of olefins, sulfur, hydrogen sulfide and nitrogen containing polymeric compounds
US4661274A · kind A · utility
4Cited by
26References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1986 |
| Grant date | Apr 28, 1987 |
| Priority date | — |
| Expiry date | Jan 13, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2219/022
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an additive composition for lubricants and hydrocarbon fuel compositions formed by reacting an olefin, elemental sulfur, hydrogen sulfide, and a polymeric nitrogen-containing compound in a presence of a catalytic amount of an amine. The reaction product is effective when mixed in desired proportions with lubricants and with hydrocarbon fuels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.