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.


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    Title :

    MARINE ENGINE LUBRICANTS COMPRISING HYDROXYBENZOATE DETERGENTS


    Additional title:

    LUBRIFIANTS DE MOTEUR DE BATEAU RENFERMANT DES DETERGENTS HYDROXYBENZOATES


    Contributors:

    Publication date :

    2019-10-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C10M LUBRICATING COMPOSITIONS , Schmiermittelzusammensetzungen / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F16N LUBRICATING , Schmierung



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