A lubricant additive comprising an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent dispersed in a diluent comprising 10 mass% or more of a basestock containing greater than or equal to 90 % saturates and less than or equal to 0.03% sulphur is blended, in a minor amount, with an oil of lubricating viscosity, in a major amount, to give a trunk piston marine engine lubricating oil composition for a medium-speed four-stroke compression-ignited marine engine.
MARINE ENGINE LUBRICANTS COMPRISING HYDROXYBENZOATE DETERGENTS
LUBRIFIANTS DE MOTEUR DE BATEAU RENFERMANT DES DETERGENTS HYDROXYBENZOATES
29.10.2019
Patent
Elektronische Ressource
Englisch
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