A method of reducing asphaltene precipitation in an engine

Details A method of reducing asphaltene precipitation in an engine A method of reducing asphaltene precipitation in an engine

C - Chemistry, Metallurgy

10

M

C10M 159/22 (2006.01) C10M 129/54 (2006.01)

Patent

CA 2678392

A method of reducing asphaltene precipitation or 'black paint' in an engine is disclosed. The method includes the step of lubricating the engine with a lubricating oil composition comprising: an oil of lubricating viscosity in a major amount; and, a salicylate detergent system in a minor amount comprising one or more neutral or overbased alkaline earth metal C22 hydrocarbyl substituted salicylates.

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