Dispersant, anti-oxidant and improver and lubricating oil...

Details Dispersant, anti-oxidant and improver and lubricating oil... Dispersant, anti-oxidant and improver and lubricating oil...

C - Chemistry, Metallurgy

08

F

253/128, 402/399

C08F 8/30 (2006.01) C10M 133/34 (2006.01) C10M 143/02 (2006.01) C10M 143/08 (2006.01)

Patent

CA 2018866

ABSTRACT DISPERSANT ANTI-OXIDANT VI IMPROVER AND LUBRICATING OIL COMPOSITION CONTAINING SAME (D#79,112-F An additive composition prepared by reacting a polymer prepared from ethylene and at least one C3-C10 alpha-monoolefin and optionally a polyene selected from non-conjugated dienes and trienes comprising from about 15 to 80 mole percent of ethylene from about 20 to 85 mole percent of said C3-C10 alpha-monoolefin and from about 0 to mole percent of said polyene and having an average molecular weight ranging from about 5,000 to 500,000 with a nitrosodiphenylamine compound represented by the formula: Image in which R and R1 represent hydrogen or an alkyl, alkenyl, or alkoxyl radical having from 1 to 8 carbon atoms, and a lubricating oil composition containing same is provided. 8/7/89 pr\JJO\01

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