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:
Mar. 02, 2010
Filed:
Jun. 08, 2004
Katrin Klass, Mannheim, DE;
Heike Becker, Mannheim, DE;
Regina Vogelsang, Ludwigshafen, DE;
Alexander Hauk, Ludwigshafen, DE;
Markus Siegert, Heidelberg, DE;
Jochem Henkelmann, Mannheim, DE;
Katrin Klass, Mannheim, DE;
Heike Becker, Mannheim, DE;
Regina Vogelsang, Ludwigshafen, DE;
Alexander Hauk, Ludwigshafen, DE;
Markus Siegert, Heidelberg, DE;
Jochem Henkelmann, Mannheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Process for distillatively separating a mixture containing a vinyl ether of the general formula (I)R—O—CH═CH  (I)and alcohol of the general formula (II)R—OH  (II)in which Rand Rare each independently a saturated or unsaturated, aliphatic or cycloaliphatic radical having from 2 to 10 carbon atoms, and in which the alcohol (II) has a boiling point which is at least 1° C. higher, measured at or extrapolated to 0.1 MPa abs, than the vinyl ether (I), by