Dispersants and process for their preparation

Details Dispersants and process for their preparation Dispersants and process for their preparation

C - Chemistry, Metallurgy

10

L

253/100, 44/29,

C10L 1/22 (2006.01) C10M 1/32 (1980.01)

Patent

CA 1055051

Abstract of the Disclosure Compositions useful as lubricant and fuel dispersants are prepared by reacting a hydroxyaromatic compound contain- ing an aliphatic or alicyclic substituent which has at least about 6 carbon atoms with an aldehyde in the presence of an alkaline reagent and at a temperature up to about 125°C., substantially neutralising the resulting intermediate at a temperature up to about 150°C., and then reacting with a primary or secondary amino compound.

221151

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