Hydroxylated polymers useful as additives for fuels and lubricants
US4000353A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 27, 1974 |
| Grant date | Dec 28, 1976 |
| Priority date | — |
| Expiry date | Dec 27, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Hydroxylated polymeric additives useful as additives, for example as dispersants for lubricants and hydrocarbon fuels, and multi-functional dispersant-viscosity index improvers for lubricants, can be prepared by the reaction of metal salts of polyols with a halogen containing olefin polymer, particularly ethylene containing polymers, such as: the halogenated terpolymer of ethylene, a C.sub.3 to C.sub.18 straight or branched chain .alpha.-olefin and a C.sub.5 to C.sub.14 acyclic or alicyclic nonconjugated diolefin; a terpolymer of ethylene, a C.sub.3 to C.sub.18 alpha olefin and a C.sub.5 to C.sub.14 halogen-containing olefin; halogenated copolymers of ethylene and a C.sub.3 to C.sub.18 straight or branched chain .alpha.-olefin; etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.