Process for the (co-)polymerisation of olefins
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United States of America Patent
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May 30, 2017
Grant Date -
Jul 14, 2016
app pub date -
Sep 3, 2014
filing date -
Sep 10, 2013
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Abstract
Process for the polymerization or copolymerization of olefins by bringing the olefins into contact with a catalyst under polymerization or copolymerization conditions in a reactor containing a charge powder. The process includes, prior to introducing the catalyst into the reactor, introducing a scavenger into the reactor which reacts with catalyst poison present. The scavenger is added to the reactor until the charge powder contains a remaining amount of scavenger of between 0.1 and 2.5 moles per ton of charge powder.
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