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:
Sep. 11, 2018
Filed:
Dec. 01, 2011
Frank Erhardt, Bielefeld, DE;
Thomas Haas, Münster, DE;
Martin Roos, Haltern am See, DE;
Daniel Demicoli, Essen, DE;
Markus Pötter, Münster, DE;
Anja Schubert, Raesfeld-Erle, DE;
Jan Christoph Pfeffer, Hanau, DE;
Thomas Tacke, Alzenau, DE;
Harald Häger, Lüdinghausen, DE;
Andreas Pfennig, Kalsdorf bei Graz, AU;
Marie-dominique Przybylski-freund, Würselen, DE;
Frank Erhardt, Bielefeld, DE;
Thomas Haas, Münster, DE;
Martin Roos, Haltern am See, DE;
Daniel Demicoli, Essen, DE;
Markus Pötter, Münster, DE;
Anja Schubert, Raesfeld-Erle, DE;
Jan Christoph Pfeffer, Hanau, DE;
Thomas Tacke, Alzenau, DE;
Harald Häger, Lüdinghausen, DE;
Andreas Pfennig, Kalsdorf bei Graz, AU;
Marie-Dominique Przybylski-Freund, Würselen, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
The present application relates to a process for removing an organic compound having one or more positive charges from an aqueous solution, comprising the steps a) provision of the aqueous solution comprising the organic compound and of a hydrophobic organic solution which comprises a liquid cation exchanger, where the liquid cation exchanger is hydrophobic, and where the liquid cation exchanger has one or more negative charges and an overall negative charge, b) contacting the aqueous solution and the organic solution, and c) separating off the organic solution from the aqueous solution.