Patent ID: 6596673
Filing Date: 2003-07-22
Classification: C10M,C10N

Abstract:
A cylinder lubricant for lubricating a cylinder of a two-stroke cross-head marine diesel engine, said cylinder lubricant comprising, or made by admixing,(A) a base stock of lubricating viscosity, in a major amount; (B) at least one overbased calcium salicylate detergent, in a minor amount; (C) from about 0.4 to about 5 mass %, based on the total mass of the lubricant of at least one oil-soluble amine dithiophosphate comprising the neutralization, or partial neutralization product of an amine and an acidic intermediate comprising the reaction product of a triester of a phosphorothioic acid and an inorganic phosphorus reagent selected from the group consisting of phosphorus acids, phosphorus oxides and phosphorus halides.