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. 20, 2018
Filed:
Jul. 24, 2013
Frank Erhardt, Bielefeld, DE;
Lukas Falke, Bielefeld, DE;
Ralf Kelle, Guetersloh, DE;
Harald Haeger, Luedinghausen, DE;
Thomas Haas, Muenster, DE;
Hans-georg Hennemann, Bedburg, DE;
Oliver Thum, Ratingen, DE;
Martin Roos, Haltern am See, DE;
Markus Poetter, Shanghai, CN;
Frank Erhardt, Bielefeld, DE;
Lukas Falke, Bielefeld, DE;
Ralf Kelle, Guetersloh, DE;
Harald Haeger, Luedinghausen, DE;
Thomas Haas, Muenster, DE;
Hans-Georg Hennemann, Bedburg, DE;
Oliver Thum, Ratingen, DE;
Martin Roos, Haltern am See, DE;
Markus Poetter, Shanghai, CN;
Evonik Degussa GmbH, Essen, DE;
Abstract
The present invention relates to a method for removing an organic compound from an aqueous solution, comprising the steps of providing the aqueous solution which contains the organic compound, and a hydrophobic organic solution, where the latter comprises a liquid hydrophobic cation exchanger, contacting the aqueous solution and the hydrophobic organic solution, and separating off the hydrophobic organic solution from the aqueous solution, wherein the liquid hydrophobic cation exchanger is a saturated alkanoic acid having at least one alkyl substituent, where the organic compound is an organic compound having at least one positive charge and a neutral or positive total charge.