The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 20, 2007
Filed:
Dec. 19, 2003
Bernhard Scholz, Marl, DE;
Franz Nierlich, Marl, DE;
Dieter Reusch, Marl, DE;
Silvia Santiago Fernandez, Oberhausen, DE;
Andreas Beckmann, Recklinghausen, DE;
Wilfried Bueschken, Haltern am See, DE;
Alfred Kaizik, Marl, DE;
Bernhard Scholz, Marl, DE;
Franz Nierlich, Marl, DE;
Dieter Reusch, Marl, DE;
Silvia Santiago Fernandez, Oberhausen, DE;
Andreas Beckmann, Recklinghausen, DE;
Wilfried Bueschken, Haltern am See, DE;
Alfred Kaizik, Marl, DE;
Oxeno Olefinchemie GmbH, Marl, DE;
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.