Open-pentadienyl metallocenes, precursors thereof and polymerization catalysts therefrom
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United States of America Patent
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Jun 11, 2002
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N/A
app pub date -
Mar 6, 1998
filing date -
Sep 11, 1995
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Expired
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Abstract
New metallocene compounds are described where the ligand contains at least one open-pentadienyl containing radical characterized by a cyclic or acyclic, six .pi. electron, delocalized, five atomic center structure. These metallocenes can advantageously be used in catalyst systems for the polymerization of olefins to generate a wide variety of different polymers including HDPE, LLDPE, ethylenelpropylene/(diene) elastomers, tactiospecific C3+.alpha.-olefin polymers, intimate mixture thereof and the like.
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