Oil-soluble addition products of an ethylene-propylene copolymer

Details Oil-soluble addition products of an ethylene-propylene copolymer Oil-soluble addition products of an ethylene-propylene copolymer

1978-06-16

1978-07-04

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 515R, 252 55, 260878R, 526 19, 526 49, 526 52, 526 58, C10M 132

Patent

active

040987108

ABSTRACT:
An oil-soluble addition product of a catalyzed condensation reaction of an anionically polymerizable monomer, preferably an ethylenically unsaturated nitrogen-containing monomer, e.g. acrylonitrile, with an oxidized copolymer of ethylene and at least one C.sub.3 to C.sub.50 alpha monoolefin, e.g. propylene, said addition product in its preferred form containing from about 0.005 to 2% by weight nitrogen and having a number average molecular weight of from about 1000 to 500,000, has utility as a multifunctional V.I. improver or dispersant for lubricating oils.

REFERENCES:
patent: 2800450 (1957-07-01), Bondi et al.
patent: 3388067 (1968-06-01), Takashima et al.
patent: 3687849 (1972-08-01), Abbott
patent: 3687905 (1972-08-01), Dorer
patent: 3761458 (1973-09-01), Holler et al.
patent: 3769216 (1973-10-01), Gordon et al.
patent: 3785980 (1974-01-01), Wilgus
patent: 3842010 (1974-10-01), Pappas et al.
patent: 3864268 (1975-02-01), Culbertson et al.
patent: 3879304 (1975-04-01), Waldbillig
patent: 3931024 (1976-01-01), Hu

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