Process for making a lube base stock from a lower molecular weight feedstock in a catalytic distillation unit
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United States of America Patent
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Jan 11, 2005
Grant Date -
Jul 5, 2001
app pub date -
Jan 11, 2001
filing date -
Dec 22, 1999
priority date (Note) -
Expired
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Abstract
A process for making a lube base stock wherein an olefinic feedstock is contacted with an oligomerization catalyst in a catalytic distillation unit to produce a product having a higher number average molecular weight than the olefinic feedstock. That product is separated zone in the catalytic distillation unit into a light byproduct fraction and a heavy product fraction that includes hydrocarbons in a lube base stock range.
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