Methods of preparation of an olefin oligomerization catalyst
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United States of America Patent
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Oct 26, 2010
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Oct 30, 2007
filing date -
Feb 20, 2004
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Abstract
A method of making a catalyst for use in oligomerizing an olefin comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising contacting a composition comprising the chromium-containing compound and a composition comprising the metal alkyl, wherein the composition comprising the chromium-containing compound is added to the composition comprising the metal alkyl.
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