DF

Dirk Fridag

EG Evonik Degussa Gmbh: 57 patents #3 of 1,853Top 1%
EG Evonik Operations Gmbh: 16 patents #7 of 1,233Top 1%
EG Evonik Oxeno Gmbh: 8 patents #5 of 73Top 7%
EK Evonik Oxeno Gmbh & Co. Kg: 4 patents #7 of 52Top 15%
EA Evonik Industries Ag: 3 patents #5 of 142Top 4%
OG Oxeno Olefinchemie Gmbh: 3 patents #29 of 89Top 35%
📍 Haltern am See, DE: #1 of 110 inventorsTop 1%
Overall (All Time): #17,533 of 4,157,543Top 1%
91
Patents All Time

Issued Patents All Time

Showing 76–91 of 91 patents

Patent #TitleCo-InventorsDate
9149780 Jet loop reactor having nanofiltration Bart Hamers, Robert Franke, Marc Becker, Markus Priske 2015-10-06
9127030 Method for the preparation of biphephos Burkard Kreidler, Bernhard Schemmer, Bjoern Wechsler, Andrea Christiansen, Doris Neumann 2015-09-08
9018420 Use of supported ionic liquid phase (SILP) catalyst systems in the hydroformylation of olefin-containing mixtures to aldehyde mixtures with a high content of aldehydes unbranched in the 2 position Robert Franke, Nicole Brausch, Andrea Christiansen, Marc Becker, Peter Wasserscheid +4 more 2015-04-28
9000220 Organophosphorus compounds based on tetraphenol (TP)-substituted structures Andrea Christiansen, Robert Franke, Dieter Hess, Burkard Kreidler, Dieter Vogt +3 more 2015-04-07
8884070 Energy efficient synthesis of aliphatic aldehydes from alkenes and carbon dioxide Robert Franke, Bart Hamers, Horst-Werner Zanthoff, Matthias Blug, Julia Strautmann +1 more 2014-11-11
8846994 Method for producing low-odor n-butane Hans-Gerd Lueken, Alfred Kaizik, Markus Winterberg, Wilfried Bueschken 2014-09-30
8729287 Method for producing 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin Robert Franke, Bernhard Schemmer, Burkard Kreidler, Bjoern Wechsler 2014-05-20
8609878 Method for producing 6-chlorodibenzo[D,F] [1 3,2]Dioxaphosphepin Robert Franke, Bernhard Schemmer, Burkard Kreidler, Bjoern Wechsler 2013-12-17
8581008 Process for preparing α,β-unsaturated C10-aldehydes Alfred Kaizik, Hans-Gerd Lueken, Wilfried Bueschken 2013-11-12
8563782 Producing α,β-unsaturated aldehydes by means of a reaction mixing pump Alfred Kaizik, Hans-Gerd Lueken, Wilfried Bueschken, Dirk Mackowiak, Frank Brocksien 2013-10-22
8461394 Process for preparing C5 aldehyde mixtures with a high n-pentanal content Hans-Gerd Lueken, Udo Lenz, Hermann-Josef Schulte-Althoff, Klaus-Diether Wiese, Alfred Kaizik +3 more 2013-06-11
7767861 Method for producing trivalent organophosphorus compounds Dagmara Ortmann, Klaus-Diether Wiese, Oliver Moller 2010-08-03
7495134 Carbonylation method by adding secondary sterically hindered amines Dieter Hess, Dagmara Ortmann, Oliver Moeller, Klaus-Diether Wiese, Wilfried Bueschken 2009-02-24
7345185 Method for producing organoacylphosphites Dagmara Ortmann, Klaus-Diether Wiese, Oliver Moeller 2008-03-18
7317130 Method for the hydroformylation of olefinically unsaturated compounds, especially olefins, in the presence of cyclic carbonic acid esters Oliver Moller, Cornelia Borgmann, Dieter Hess, Klaus-Diether Wiese 2008-01-08
7193116 Method for producing aldehydes by means of hydroformylation of olefinically unsaturated compounds, said hydroformylation being catalyzed by unmodified metal complexes in the presence of cyclic carbonic acid esters Oliver Moeller, Klaus-Diether Wiese, Dieter Hess, Cornelia Borgmann, Alfred Kaizik 2007-03-20