Metallocene compounds and use thereof in catalysts for the polymerization of olefins
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United States of America Patent
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app pub date -
Jun 29, 2006
filing date -
Apr 6, 1994
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Abstract
A class of bridged or unbridged metallocene compounds is disclosed, wherein the cyclopentadienyl ligands have two or four adjacent substituents forming one or two alkylenic cycles of from 4 to 8 carbon atoms. These metallocenes are useful as catalyst components for the polymerization of olefins, particularly for the (co)polymerization of ethylene and for the polymerization of propylene.
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