Catalytically accelerated gas phase reactions
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United States of America Patent
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Aug 17, 2004
Grant Date -
Jul 31, 2003
app pub date -
Feb 3, 2003
filing date -
Jan 23, 1998
priority date (Note) -
Expired
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Abstract
This invention relates to a process for carrying out an anionically or cationically catalytically accelerated gas phase reaction and particularly relates to a process for carrying out a catalytically accelerated gas phase polymerization reaction. The process involves the step of introducing a catalyst ion into a gaseous reaction mixture as a free anion or cation without a corresponding counterion and substantially solvent free. The catalyst of this invention ca, for example, be a Ziegler-Natta catalyst or a metallocene catalyst. The gas phase reaction that is catalyzed can, for example, be a metathesis reaction, a metathesis ring-opening polymerization reaction, or a gas phase polymerization.
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