Viscosity index improvers

Details Viscosity index improvers Viscosity index improvers

1977-11-08

1979-01-23

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 59, 260874, 260875, 260885, 260886, C10M 124

Patent

active

041360478

ABSTRACT:
Block copolymers containing styrene, alpha-methylstyrene, 3,4-dimethyl-alpha-methylstyrene and lauryl methacrylate are useful as viscosity index improvers in lubricating oils.

REFERENCES:
patent: 2721877 (1955-10-01), Popkin et al.
patent: 2721878 (1955-10-01), Popkin
patent: 2721879 (1955-10-01), Popkin et al.
patent: 2810744 (1957-10-01), Popkin
patent: 2965571 (1960-12-01), Wuellner et al.
patent: 3186974 (1965-06-01), Verberg
patent: 3318813 (1967-05-01), McCormick et al.
patent: 3676190 (1972-07-01), Landler et al.
patent: 3903023 (1975-09-01), Boutillier

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