Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2007-02-20
2007-02-20
Witherspoon, Sikarl A. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S896000, C568S897000, C568S898000, C568S899000, C568S900000, C568S901000
Reexamination Certificate
active
10739086
ABSTRACT:
The invention relates to a process for preparing tert-butanol by reaction of a homogeneous mixture comprising water, tert-butanol and an isobutene-containing hydrocarbon mixture over an acidic ion-exchange resin at from 30 to 120° C., wherein the homogeneous mixture contains, at a proportion by mass of isobutene of above 10%, from 30 to 80% of the maximum amount of water made possible by the solubility of water in the mixture of tert-butanol and the isobutene-containing hydrocarbon mixture.
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Beckmann Andreas
Bueschken Wilfried
Fernandez Silvia Santiago
Kaizik Alfred
Nierlich Franz
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Oxeno Olefinchemie GmbH
Witherspoon Sikarl A.
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