Activation for Oligomerization
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United States of America Patent
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Issued Date -
Oct 25, 2012
app pub date -
Mar 27, 2012
filing date -
Apr 20, 2011
priority date (Note) -
Abandoned
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Abstract
The oligomerization of ethylene using a chromium catalyst and an aluminoxane activator is well known. The undesired formation of polyethylene as a by-product is also known to occur during prior oligomerization processes. We have discovered that the use of an aluminoxane that is prepared by non-hydrolytic means provides a highly productive activator (co-catalyst) for ethylene oligomerization and mitigates the undesired formation of by-product polyethylene.
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