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Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 18, 2007
0Patent Application Number
105436700
Date Filed
January 23, 2004
0Patent Primary Examiner
Patent abstract
The present invention discloses a metallocene catalyst component of the formula (I) [(Flu-R″-Cp)2M]−[Li(ether)4]+, wherein Cp is a cyclopentadienyl, substituted or unsubstituted, Flu is a fluorenyl, substituted or unsubstitutted, M is a metal Group III of the Periodic Table, and R″ is a structural bridge between Cp and Flu imparting stereorigidity to the component. It further discloses a process for preparing said metallocene catalyst component and its use in controlled polymerisation.
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