| abstract |
The present invention (a) oil of lubricating viscosity; (b) may be used with additional asphaltene dispersants which contain amide groups, may further contain succinimide groups, and optionally include cyclic head groups containing nitrogen atoms and may further contain succinimide groups. Asphaltene dispersants; And (c) a lubricating composition comprising an alkylphenol derived detergent, in particular a marine diesel engine lubricating composition. The invention also provides a method of using the composition in the operation of an engine, in particular a marine diesel engine. |