Viscosity index improvers with dispersant properties prepared by

Details Viscosity index improvers with dispersant properties prepared by Viscosity index improvers with dispersant properties prepared by

1981-10-23

1983-09-06

Shine, W. J.

Compositions

Electrolytes for electrical devices

525366, 525375, C10M 154, C08F 830

Patent

active

044028440

ABSTRACT:
Nitrogen-containing copolymers useful as viscosity index improvers with dispersing characteristics are prepared by the reaction of lithiated hydrogenated conjugated diene-monovinylarene copolymers with substituted aminolactams.

REFERENCES:
patent: 3554911 (1971-01-01), Schiff et al.
patent: 3772196 (1973-11-01), St. Clair et al.
patent: 4145298 (1979-03-01), Trepka
patent: 4181618 (1980-01-01), Durand et al.
patent: 4222882 (1980-09-01), Brulet et al.
patent: 4229308 (1980-10-01), Brulet et al.

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