LUBRICANT ADDITIVE COMPOSITION FOR INHIBITING VISCOSITY INCREASE AND DISPERSENCY DECREASE

A lube oil composition that inhibits lubricant viscosity increase and dispersency decrease is described. The composition includes an oil of lubricating viscosity and a mixture of specified functionalized derivatives of pentaerythritol tetrakis 3-mercaptopropionate and amine antioxidants.

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Bibliographische Detailangaben
Hauptverfasser: FYFE, KIM ELIZABETH, FRANCISCO, MANUEL ANTHONY, GAO, JASON ZHISHENG
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:A lube oil composition that inhibits lubricant viscosity increase and dispersency decrease is described. The composition includes an oil of lubricating viscosity and a mixture of specified functionalized derivatives of pentaerythritol tetrakis 3-mercaptopropionate and amine antioxidants.