Polymeric multifunctional lubricant additives
US6127327A · kind A · utility
14Cited by
20References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1999 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | Jun 24, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Described are products suitable as lubricant and fuel additives which are obtainable by reacting a polyunsaturated polymer, for example polybutadiene, polyisoprene, ring-opening polymerised polycyclooctenamer or polynorbomene, with at least one enophilic compound of the groups of the dihydrocarbyidithiophosphoric acids, dihydrocarbylmonothiophosphoric acids, dihydrocarbylphosphoric acids or mercaptans.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.