Polymerization catalysts and processes therefor
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United States of America Patent
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Nov 23, 2004
Issued Date -
N/A
app pub date -
Jan 27, 2003
filing date -
Dec 19, 1997
priority date (Note) -
Expired
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Abstract
Novel catalyst systems which comprise diimine nickel complexes comprising additional ligands selected from the group consisting of acetylacetonate, hexaflourylacetylacetonate, halogens and mixtures thereof can be used with methylaluminoxane in slurry polymerization processes to polymerize mono-1-olefins and, optionally one or more higher mono-1-olefin comonomer(s), to produce high molecular weight polymers.
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