SD

Stefan Drees

EG Evonik Operations Gmbh: 3 patents #186 of 1,233Top 20%
EG Evonik Oxeno Gmbh: 2 patents #24 of 73Top 35%
OG Oxeno Olefinchemie Gmbh: 2 patents #38 of 89Top 45%
EK Evonik Oxeno Gmbh & Co. Kg: 1 patents #20 of 52Top 40%
Overall (All Time): #601,615 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12296301 Variable, self-regulating permeate recycling in organophilic nanofiltration Thomas Quell, Johannes Knossalla, Robert Franke, Frederik Gluth, Marc Schäpertöns +1 more 2025-05-13
11820739 Process for preparing aldehydes and cooling a stream of matter Ana Markovic, Frank Geilen, Alexander Brächer, Benedikt Dercks, Tonia Weber +2 more 2023-11-21
11806669 Variable and self-regulating permeate recycling in organophilic nanofiltration Frederik Gluth, Marc Schäpertöns, Thomas Quell, Frank Geilen, Fabian Höckelmann +1 more 2023-11-07
11773041 Process for preparing aldehydes and cooling a stream of matter Frank Geilen, Alexander Brächer, Benedikt Dereks, Robert Franke, Ana Markovic +3 more 2023-10-03
8138379 One-stage continuous process for hydroformylating higher olefins or olefin mixtures Hans-Gerd Lueken, Alfred Kaizik, Wilfried Bueschken 2012-03-20
8129571 Multistage continuous process for the hydroformylation of higher olefins or olefin mixtures Hans-Gerd Lueken, Alfred Kaizik, Wilfried Bueschken 2012-03-06
7179947 Process for the hydroformylation of olefins Hans-Gerd Lueken, Alfred Kaizik, Wilfried Bueschken, Wilhelm Droste 2007-02-20
6720457 Process for the hydroformylation of higher olefins using cobalt compounds as catalyst Bernhard Scholz, Alfred Kaizik, Walter Toetsch, Wilfried Bueschken, Martin Trocha 2004-04-13