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. 19, 2016
Filed:
Dec. 01, 2011
Frank Erhardt, Bielefeld, DE;
Thomas Haas, Muenster, DE;
Martin Roos, Haltern am See, DE;
Daniel Demicoli, Essen, DE;
Markus Poetter, Muenster, DE;
Anja Schubert, Raesfeld-Erle, DE;
Jan Christoph Pfeffer, Hanau, DE;
Thomas Tacke, Alzenau, DE;
Harald Haeger, Luedinghausen, DE;
Andreas Pfennig, Kalsdorf bei Graz, AT;
Marie-dominique Przybylski-freund, Wuerselen, DE;
Frank Erhardt, Bielefeld, DE;
Thomas Haas, Muenster, DE;
Martin Roos, Haltern am See, DE;
Daniel Demicoli, Essen, DE;
Markus Poetter, Muenster, DE;
Anja Schubert, Raesfeld-Erle, DE;
Jan Christoph Pfeffer, Hanau, DE;
Thomas Tacke, Alzenau, DE;
Harald Haeger, Luedinghausen, DE;
Andreas Pfennig, Kalsdorf bei Graz, AT;
Marie-Dominique Przybylski-Freund, Wuerselen, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
The invention relates to a method for removing an organic compound having one or more positive charges from an aqueous solution. Said method consists of the following steps a) the aqueous solution containing the organic compound, and a hydrophobic organic solution which contains a hydrophobic liquid cation exchanger having one or more negative charges and a negative total charge, are provided, b) the aqueous solution and the organic solution are brought into contact with each other and c) the organic solution is separated from the aqueous solution.