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:
May. 09, 2017
Filed:
May. 18, 2015
Ralf Meier, Dortmund, DE;
Kévin Micoine, Herten, DE;
Peter Kreis, Dortmund, DE;
Frederik Gluth, Düsseldorf, DE;
Markus Priske, Mobile, AL (US);
Ralf Meier, Dortmund, DE;
Kévin Micoine, Herten, DE;
Peter Kreis, Dortmund, DE;
Frederik Gluth, Düsseldorf, DE;
Markus Priske, Mobile, AL (US);
EVONIK DEGUSSA GmbH, Essen, DE;
Abstract
A homogeneous catalyst system is removed from a reaction mixture of two liquid phases by separating the two liquid phases with a membrane having at least one separation-active layer in such a way that the homogeneous catalyst system is at least partially concentrated in a membrane retentate; wherein the reaction mixture contains at least one partially epoxidized cyclic unsaturated compound having twelve carbon atoms; and wherein the membrane separation-active layer contains crosslinked a silicone acrylate and/or polydimethylsiloxane and/or polyimide.