Solid catalytic component and catalytic system of the ziegler-natta type, process for their preparation and their use in the polymerization of alk-1-enes
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United States of America Patent
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Jun 19, 2007
Grant Date -
Sep 15, 2005
app pub date -
Jan 28, 2003
filing date -
Feb 14, 2002
priority date (Note) -
Expired
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Abstract
The present invention relates to a new solid catalytic component, which can be used in combination with an aluminum compound as co-catalyst and optionally an external electron donor as additional co-catalyst to form a catalytic system of the Ziegler-Natta-catalyst-type. The solid catalytic system comprises titanium or vanadium compound, a compound of magnesium containing at least one halogen, a particulate porous support, and optionally an internal electron donor.
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