Supported catalyst system for the polymerization of olefins
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United States of America Patent
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Apr 10, 2007
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N/A
app pub date -
Dec 10, 1998
filing date -
Dec 23, 1997
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Expired
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Abstract
A supported catalyst system for polymerizing olefins comprisinga) a support,b) a Lewis base of the formula M.sup.3R.sup.6R.sup.7R.sup.8 (I) wherein M.sup.3 is an element of main group III of the Periodic Table of the Elements, c) an organometallic compound of the formula II as cocatalyst, M.sup.3R.sup.6R.sup.7R.sup.8 (II) wherein M.sup.3 is an element of main group III of the Periodic Table of the Elements, d) at least one metallocene, e) an organometallic compound of the formula [M.sup.4R.sup.9j].sub.kIII where M.sup.4 is an element of main groups I, II or III of the Periodic Table of the Elements, where the organometallic compound of the formula II is covalently bound to the support.
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