| abstract |
PROBLEM TO BE SOLVED: To provide an improved oil-soluble dispersible additive useful in an oily composition containing a fuel and a lubricating oil composition, a concentrate containing the additive, and a method for producing the additive. I do. A terminally unsaturated ethylene alpha-olefin polymer comprising at least 30 of the polymer chains. % Includes at least one alkyl-substituted hydroxyaromatic compound formed by alkylation with one containing terminal ethenylidene unsaturation, an aldehyde reactant and a Mannich base condensation product obtained by reacting an amine. , A lubricating oil dispersing additive useful in oily compositions. |