Catalyst system
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United States of America
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Mar 22, 1983
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N/A
app pub date -
Jun 8, 1981
filing date -
Sep 29, 1978
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Abstract
A propylene polymerization catalyst is formed by incorporation into a catalytic mixture, comprising a transition metal compound and an organoaluminum compound, effective amounts of Group Va or Group VII oxygen mineral acids whereby the amount of n-hexane-soluble polymeric product is decreased.
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