Terpolymer dispersant - VI improver

Details Terpolymer dispersant - VI improver Terpolymer dispersant - VI improver

1976-10-18

1977-07-05

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

260878R, C10M 128, C10M 322

Patent

active

040338894

ABSTRACT:
Lubricating oil additives having both dispersant and viscosity-index improving properties are prepared by reacting terpolymers of ethylene, a C.sub.3 to C.sub.8 alpha-olefin, and a non-conjugated diene with maleic anhydride and certain alkane polyols.

REFERENCES:
patent: 3197409 (1965-07-01), de Vries
patent: 3231498 (1966-01-01), DE Vries
patent: 3687905 (1972-08-01), Dorer
patent: 3879304 (1975-04-01), Waldbillig
patent: 3923930 (1975-12-01), Waldbillig
patent: 3954812 (1976-05-01), Puskas et al.

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