Transition metal compound and catalyst containing the same for polymerization of olefins
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United States of America Patent
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Nov 21, 2000
Grant Date -
N/A
app pub date -
Jan 13, 1999
filing date -
Jun 30, 1998
priority date (Note) -
Expired
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Abstract
Disclosed is a novel transition metal composition of a metallacycle structure represented by the formula ##STR1## wherein M.sup.1 is an element of Group IVB in the Periodic Table, M.sup.2 is an element of Group IIIA in the Periodic Table, R.sup.1 and R.sup.2 each are for instance a cyclopentadienyl group, R.sup.3 and R.sup.4 each are for instance a hydrocarbon group, R5 and R6 each are a hydrogen atom and R7 and R8 indicate an indan ring formed by bonding to each other.
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