| abstract |
Oil-soluble polyester compositions suitable for use as dispersants in lubricating oils are disclosed. The oil soluble polyester composition comprises (a) a hydrocarbyl substituted succinic acylating agent, and (b) an N, N′-di-hydroxyalkyl substituted tertiary monoamine and an N, N′-di-hydroxyalkyl substituted tertiary. Prepared by reacting with a dihydroxyalkyl-substituted tertiary amine compound selected from diamines. |