Iminophosphonamide complexes for olefin
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United States of America Patent
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Jul 31, 2001
Grant Date -
N/A
app pub date -
Aug 9, 1999
filing date -
Sep 28, 1998
priority date (Note) -
Expired
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Abstract
The present invention relates to the use of complexes of transition metals having a ligand containing a phosphorus or arsenic atom bound to the transition metal through an oxygen atom, or an amido radical. The complexes may be activated with conventional activators and are useful in solution, slurry and gas phase polymerization of olefins.
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