LUBRICATING OIL COMPOSITION HAVING IMPROVED AIR RELEASE

The invention provides a lubricating oil composition comprising a ethylene/α-olefin copolymer and, optionally, and additive comprising an amine salt of a hydrocarbyl thiophosphoric acid ester. The invention also provides a method of improving air release of a lubricating oil composition by mixing an...

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Bibliographische Detailangaben
Hauptverfasser:	SMITH, Timothy R, HOBSON, David M, PRICE, David
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:	The invention provides a lubricating oil composition comprising a ethylene/α-olefin copolymer and, optionally, and additive comprising an amine salt of a hydrocarbyl thiophosphoric acid ester. The invention also provides a method of improving air release of a lubricating oil composition by mixing an ethylene/α-olefin copolymer with an oil of lubricating viscosity.