A lubricating oil composition comprises 50 mass % or more of an oil of lubricating viscosity and 0.1 to 25 mass % of at least one of compounds of structures (I), (II), or (III).wherein X1 and X2 are the same or different and are OH, NH2 or SH; wherein groups R1 and R2 are the same or different and are linear or branched, saturated or unsaturated hydrocarbon groups having from 1 to 50 carbon atoms, with the proviso that at least one of groups R1 and R2 has at least 4 carbon atoms; and wherein m and n are the same or different and are zero or an integer from 1 to 3 with the proviso that m and n are not both zero. The compositions are useful to ameliorate or prevent deposits in engines and provide good asphaltene dispersancy.


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    Title :

    Lubricating Oil Compositions


    Contributors:

    Publication date :

    2024-01-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / C10M LUBRICATING COMPOSITIONS , Schmiermittelzusammensetzungen



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