Process for preparing ethyl tert-butyl ether from technical mixtures of C4 hydrocarbons
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United States of America Patent
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Sep 18, 2012
Grant Date -
Aug 30, 2007
app pub date -
Dec 21, 2006
filing date -
Dec 28, 2005
priority date (Note) -
Expired
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Abstract
The invention relates to a process for preparing ETBE from technical mixtures which comprise at least 1-butene, isobutene, n-butane and 2-butenes, by reacting the isobutene present, distillatively removing a fraction comprising 1-butene and isobutene and again reacting the isobutene present therein to give ETBE.
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