Oil compositions containing oil-soluble, oxidatively and mechani

Details Oil compositions containing oil-soluble, oxidatively and mechani Oil compositions containing oil-soluble, oxidatively and mechani

1979-10-02

1983-02-08

Metz, Andrew

Compositions

Electrolytes for electrical devices

252 55, C10M 132

Patent

active

043728634

ABSTRACT:
A lubricating oil composition comprising a major amount of lubricating oil and a viscosity index improving amount of an oil-soluble polymer composition comprising an ethylene copolymer, preferably an oxidatively and mechanically degraded ethylene copolymer, having an ethylene content of 26-79 weight percent (35-85 mole percent), a C.sub.3 to C.sub.18 higher alpha-olefin and from about 1-25 weight percent of an alkyl norbornene having from about 8 to 28 carbons, preferably ethyl norbornene and preferably at least a pour point depressing amount of a lubricating oil pour point depressant, e.g. an alkyl fumarate vinyl acetate copolymer, whereby superior low temperature viscometrics is provided to said lubricating oil composition.

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