Process for the oligomerization of light olefin fractions in the presence of a boron trifluoride catalyst
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United States of America Patent
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Oct 23, 1984
Grant Date -
N/A
app pub date -
Dec 8, 1983
filing date -
Dec 8, 1983
priority date (Note) -
Expired
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Abstract
A process for the oligomerization of olefin fractions where boron trifluoride in the gas phase is contacted with such a fraction, in the absence of a catalyst carrier, under such conditions and for such a length of time that the isobutene and/or butadiene present will polymerize; the boron trifluoride and the isobutene and/or butadiene polymers obtained are then conventionally separated from said fraction; and the olefins of the fraction so purified are oligomerized in the presence of a boron trifluoride catalyst comprising a catalyst carrier.
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