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:
Apr. 14, 2015
Filed:
Jul. 03, 2013
Basf SE, Ludwigshafen, DE;
Johannes-gutenberg-universität, Mainz, DE;
Florian Stecker, Mannheim, DE;
Andreas Fischer, Hemsbach, DE;
Axel Kirste, Limburgerhof, DE;
Agnes Voitl, Schifferstadt, DE;
Chung Huan Wong, Mannheim, DE;
Siegfried Waldvogel, Mainz, DE;
Carolin Regenbrecht, Mannheim, DE;
Dominik Schmitt, Harxheim, DE;
Marius Franziskus Hartmer, Mainz, DE;
BASF SE, , DE;
Abstract
The present invention relates to a process for producing vanillin from an aqueous, basic vanillin-comprising composition, in particular from a composition as arises in the oxidation, especially in the oxidation by electrolysis, of aqueous alkaline lignin-comprising compositions, comprising at least one treatment of an aqueous, basic vanillin-comprising composition, in particular the treatment of a composition as arises in the oxidation, especially in the oxidation by electrolysis, of aqueous alkaline lignin-comprising compositions, with a basic adsorbent, in particular an anion exchanger.