Epr dispersant vi improver

Details Epr dispersant vi improver Epr dispersant vi improver

C - Chemistry, Metallurgy

08

G

253/102, 400/656

C08G 63/54 (2006.01) C08F 8/14 (2006.01) C08F 8/32 (2006.01) C08G 69/26 (2006.01) C10M 143/02 (2006.01)

Patent

CA 1099047

ABSTRACT Lubricating oil additives having both dispersant and viscosity- index improving properties are prepared by reacting an ethylene- propylene copolymer with chlorine and/or an alpha-beta- unsaturated dicarboxylic acid or derivative, and then reacting the resulting intermediate with certain amines and/or alkane polyols.

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