Lubricating oil containing an alkyl alkoxyalkylxanthate and zinc dialkyldithiophosphate

摘要

The addition of an alkyl alkoxyalkylxanthate and a metal thiophosphate to a lubricating oil results in an unexpected synergistic improvement in the antiwear performance of the oil. Butyl ethoxyethylxanthate and zinc dialkyldithiophosphate are most preferred additives.