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:
Jun. 02, 2015
Filed:
Jul. 16, 2007
Rolf Pinkos, Bad Duerkheim, DE;
Jens Heimann, Worms, DE;
Hans-martin Polka, Weinheim, DE;
Heiko Urtel, Mannheim, DE;
Gunther Windecker, Ludwigshafen, DE;
Rolf Pinkos, Bad Duerkheim, DE;
Jens Heimann, Worms, DE;
Hans-Martin Polka, Weinheim, DE;
Heiko Urtel, Mannheim, DE;
Gunther Windecker, Ludwigshafen, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The present invention relates to a process for separating off solvents from solvent-comprising hydrogenation outputs from a catalytic hydrogenation process, which comprise at least one water-soluble hydrogenation product having at least one alcohol, lactone, ether, lactam or amino group in a solvent which is immiscible or not completely miscible with water and has a boiling point below 100° C., wherein water is added to the hydrogenation output, the solvent-comprising phase is separated off and recirculated to the hydrogenation.