Multifunctional viscosity index improver containing phenothiazin

Details Multifunctional viscosity index improver containing phenothiazin Multifunctional viscosity index improver containing phenothiazin

1990-08-24

1994-01-04

McAvoy, Ellen M.

Compositions

Electrolytes for electrical devices

252 515A, 525301, 5253317, 525349, C10M15100

Patent

active

052757463

ABSTRACT:
Multifunctional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer onto which has been grafted with an unsaturated reactive monomer and thereafter reacted with amino alkylphenothiazine.

REFERENCES:
patent: 3716602 (1973-02-01), Iwami et al.
patent: 3842010 (1974-10-01), Pappas et al.
patent: 4160739 (1979-07-01), Stambaugh et al.
patent: 4816172 (1989-03-01), Kapuscinski et al.
patent: 4820776 (1989-04-01), Kapuscinski et al.
patent: 4952637 (1990-08-01), Kapuscinski et al.

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