HAFNOCENE CATALYST COMPOUNDS AND PROCESS FOR USE THEREOF

This invention relates to hafnium metallocene compounds having a group substituted at the 3 position of at least one cyclopentadienyl ring represented by the formula -R20-SiR'3 or -R20-CR'3 where R20is a C1 to C4 hydrocarbyl and R' is a C1 to C20 substituted or unsubstituted hydrocarb...

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Bibliographische Detailangaben
1. Verfasser:	McCULLOUGH, Laughlin, G
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	This invention relates to hafnium metallocene compounds having a group substituted at the 3 position of at least one cyclopentadienyl ring represented by the formula -R20-SiR'3 or -R20-CR'3 where R20is a C1 to C4 hydrocarbyl and R' is a C1 to C20 substituted or unsubstituted hydrocarbyl.