BLOCK COPOLYMERS AS VISCOSITY INDEX IMPROVERS FOR LUBRICATING OILS

Certain two-block copolymers have been found to be highly effective viscosity index improving additives for mineral oils and are especially effective at elevated temperatures.

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Bibliographische Detailangaben
1. Verfasser:	ANDERSON W,US
Format:	Patent
Sprache:	eng
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:	Certain two-block copolymers have been found to be highly effective viscosity index improving additives for mineral oils and are especially effective at elevated temperatures.