Patent ID: 6103672
Filing Date: 2000-08-15
Classification: C10M,C10N

Abstract:
A polybutene-free marine diesel cylinder lubricant composition comprising a major amount of oil of lubricating viscosity and, provided by admixing therewith, minor amounts ofa) at least one compound selected from the group consisting of a borated dispersant, an oil-soluble boron compound, and an oil-dispersible boron compound; andb) one or more overbased metal compounds, each overbased metal compound having a of at least 300, with the proviso that if an overbased metal salicylate is present then the of said salicylate is at least 200;wherein the of the composition is at least 10, and the viscosity index of the composition is at least 90 and is greater than a similar composition formed from a non-borated dispersant.