ALPHA-OLEFIN POLYMERS

Cette invention concerne des agents d'amélioration de la viscosité qui sont obtenus en utilisant un système catalyseur mixte comprenant un organo halogénure tertiaire et un catalyseur à l'acide de Lewis. This invention deals with viscosity improvers which are obtained through the use of a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SCHARF, CURTIS, R
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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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Beschreibung
Zusammenfassung:	Cette invention concerne des agents d'amélioration de la viscosité qui sont obtenus en utilisant un système catalyseur mixte comprenant un organo halogénure tertiaire et un catalyseur à l'acide de Lewis. This invention deals with viscosity improvers which are obtained through the use of a mixed catalyst system comprising a tertiary organo halide and a Lewis acid catalyst.