Ashless dispersants for lubricating oils, lubricating oil...

C - Chemistry – Metallurgy – 07 – D

Patent

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260/1, 253/105,

C07D 207/404 (2006.01) C10M 133/52 (2006.01)

Patent

CA 1188295

ABSTRACT Lubricating oil dispersants are made by reacting an (a) alkenyl succinic anhydride, (b) an alcohol (e.g. pentaerythritol), (c) a hydroxy-substituted amine (e.g. tris- hydroxymethylaminomethane), (d) a polyoxyalkylene-amine, and (e) alkenyl succinimide.

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