Lubricating compositions containing methacrylate ester graft cop

Compositions – Electrolytes for electrical devices

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252 515R, C10M 132

Patent

active

040268098

ABSTRACT:
Lubricating compositions exhibiting an improved viscosity index are prepared by adding to a lubricating oil base stock a small amount of graft copolymer of a methacrylate ester and an ethylene/propylene/alkylidene norbornene terpolymer.

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patent: 3879304 (1975-04-01), Waldbillig

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