ALIPHATISCHE SUBSTITUIERTE AROMATISCHE KOHLENWASSERSTOFFE FUER DIE BEHERRSCHUNG DES SCHWARZSCHLAMMS IN SCHMIERMITTELN

A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and a minor amount, effective to inhibit the accumulation of black sludge in a gasoline fueled internal combustion engine, of an aliphatic hydrocarbon substituted aromatic hydrocarbon. The aliphatic hydrocarbo...

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Bibliographische Detailangaben
1. Verfasser:	MURPHY, P., JOHN, WILLOUGHBY, OH 44092, US
Format:	Patent
Sprache:	ger
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CHEMISTRY COMBUSTION ENGINES CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES FUELS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING LUBRICANTS LUBRICATING COMPOSITIONS MECHANICAL ENGINEERING 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 WEAPONS
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Beschreibung
Zusammenfassung:	A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and a minor amount, effective to inhibit the accumulation of black sludge in a gasoline fueled internal combustion engine, of an aliphatic hydrocarbon substituted aromatic hydrocarbon. The aliphatic hydrocarbon substituted aromatic hydrocarbon comprises a compound of the formula Ar-R-(Ar)n wherein each Ar is independently an aromatic nucleus having from 0 to 3 substituents, R is a hydrocarbyl group, and n is an integer ranging from 1 to about 6. In a further embodiment, the aliphatic hydrocarbon substituted aromatic hydrocarbon further comprises from about 1 to about 50 percent by weight of tetrahydronaphthalene or hydrocarbyl substituted tetrahydronaphthalenes.