Hydrocarbon-substituted succinic acid or anhydride-polyamine lubricating oil additive with asymmetrical molecular weight distribution

There are disclosed oil-soluble alkenyl succinimides having improved sludge dispersant and varnish inhibition properties characterized in that the alkenyl groups, e.g., polyisobutenyl, have a C60 - C80 average and have an asymmetrical molecular weight distribution with minimization of the presence o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUTIERREZ, ANTONIO, BROWNAWELL, DARRELL WILLIAM
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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