Multifunctional additive for lubricating oils

Details Multifunctional additive for lubricating oils Multifunctional additive for lubricating oils

1991-12-11

1994-06-21

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252401, 526312, 5253271, 525375, C10M14514, C10M14906

Patent

active

053226321

ABSTRACT:
A lubricating oil viscosity index improvement additive with dispersant and ntioxidant properties of general formula: ##STR1## where R' is hydrogen or an alkyl, R.sub.a and R.sub.b are alkyl radicals, R.sub.c is a nitrogenated alkyl radical and x, y and z represent relative quantities. The invention also relates to the process for preparing said additive and lubricating oil compositions which contain it.

REFERENCES:
patent: 3304260 (1967-02-01), Fields et al.
patent: 3816314 (1974-06-01), Pappas et al.
patent: 3864099 (1975-02-01), Ek
patent: 4036768 (1977-07-01), Crawford et al.
patent: 4941985 (1990-07-01), Benfaremo et al.
patent: 5013468 (1991-05-01), Benfaremo
patent: 5157088 (1992-10-01), Dishong et al.
patent: 5169550 (1992-12-01), Sanderson et al.

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