LUBRICATING OIL COMPOSITION INCLUDING COMB POLYMETHACRYLATE AND ETHYLENE-BASED OLEFIN COPOLYMER VISCOSITY MODIFIERS

Provided is a lubricating oil composition, for example a composition having a SAE 0W-20 viscosity grade or lower, comprising: (a) a major amount of an oil of lubricating viscosity, (b) a non-dispersant comb polymethacrylate (PMA), and (c) a non-dispersant ethylene-based olefin copolymer. Also provid...

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Bibliographische Detailangaben
Hauptverfasser:	TANAKA, Isao, ONOUCHI, Hisanari
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY FUELS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	Provided is a lubricating oil composition, for example a composition having a SAE 0W-20 viscosity grade or lower, comprising: (a) a major amount of an oil of lubricating viscosity, (b) a non-dispersant comb polymethacrylate (PMA), and (c) a non-dispersant ethylene-based olefin copolymer. Also provided is a method for reducing wear in an internal combustion engine by lubricating the engine with the lubricating oil composition.