Ethylene alpha-olefin copolymer substituted mannich base...

Details Ethylene alpha-olefin copolymer substituted mannich base... Ethylene alpha-olefin copolymer substituted mannich base...

C - Chemistry, Metallurgy

07

C

253/105, 253/113

C07C 39/19 (2006.01) C08F 8/32 (2006.01) C08G 8/00 (2006.01) C10L 1/14 (2006.01) C10L 1/2383 (2006.01) C10L 1/2387 (2006.01) C10M 129/91 (2006.01) C10M 133/04 (2006.01) C10M 145/02 (2006.01) C10M 159/16 (2006.01)

Patent

CA 2034760

ABSTRACT OF THE DISCLOSURE The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of 300 to 20,000 number average molecular weight, wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation. The Mannich Base condensates of this invention are useful as dispersants.

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