Production of Ziegler-Natta catalysts
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United States of America Patent
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Sep 23, 2003
Grant Date -
Aug 23, 2001
app pub date -
Jan 16, 2001
filing date -
Apr 24, 1998
priority date (Note) -
Expired
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Abstract
A process for producing a Ziegler-Natta catalyst, the process comprising reacting an organo magnesium compound with a halogenated compound to produce crystalline magnesium halide having an intense diffraction line in an x-ray spectrum thereof at lattice distance within the range of from 2.56 to 3.20 Angstroms and titanating the magnesium halide by mixing the magnesium halide with a titanium compound whereby the titanated magnesium halide hasp in an x-ray spectrum thereof, a halo appearing at a lattice distance within the range from 2.56 to 3.30 Angstroms.
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