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 1–25 of 91 patents

Patent #TitleCo-InventorsDate
12391548 Process for producing carbon monoxide-containing streams Robert Franke, Peter Kreis 2025-08-19
12064755 Process for separating one or more components from a mixture Peter Kucmierczyk, Robert Franke, Johannes Knossalla, Marc Schäpertöns, Frederik Gluth 2024-08-20
12006287 Process for alkoxycarbonylation of ethylenically unsaturated compounds using benzene-based diphosphine ligands and aluminium triflate Peter Kucmierczyk, Ricarda Dühren, Johannes Knossalla, Anna Chiara Sale, Ana Markovic +3 more 2024-06-11
11965806 Automated sampling Christian Reuter, Georg Nordhoff, Sebastian Haumann, Alexander Brächer, Robert Franke +1 more 2024-04-23
11840506 Process for preparing C5 aldehydes Johannes Knossalla, Alexander Brächer, Peter Kucmierczyk, Anna Chiara Sale, Robert Franke +1 more 2023-12-12
11834399 Optimized thermal separation by prior gas exchange Alexander Brächer, Ana Markovic, Anna Chiara Sale, Johannes Knossalla, Peter Kucmierczyk +1 more 2023-12-05
11820739 Process for preparing aldehydes and cooling a stream of matter Ana Markovic, Frank Geilen, Alexander Brächer, Benedikt Dercks, Stefan Drees +2 more 2023-11-21
11773041 Process for preparing aldehydes and cooling a stream of matter Frank Geilen, Alexander Brächer, Stefan Drees, Benedikt Dereks, Robert Franke +3 more 2023-10-03
11739108 Diphosphites having an open, 2,4-methylated outer unit Anna Chiara Sale, Robert Franke, Alexander Brächer, Johannes Knossalla 2023-08-29
11739106 Bisphosphite ligands based on benzopinacol with an open outer unit Anna Chiara Sale, Robert Franke, Alexander Brächer, Ana Markovic, Peter Kucmierczyk +4 more 2023-08-29
11702435 Bisphosphite ligands based on benzopinacol Anna Chiara Sale, Robert Franke, Alexander Brächer, Ana Markovic, Peter Kucmierczyk +4 more 2023-07-18
11618760 Diphosphites with an open, 3-methylated outer unit Anna Chiara Sale, Robert Franke, Alexander Brächer, Ana Markovic, Peter Kucmierczyk +1 more 2023-04-04
11565991 Mixture of bisphosphites having an open and a closed outer unit and the use thereof as a catalyst mixture in hydroformylation Anna Chiara Sale, Robert Franke, Alexander Brächer, Johannes Knossalla, Peter Kucmierczyk +1 more 2023-01-31
11560396 Diphosphites having an open and a closed 2,4-methylated outer unit Robert Franke, Anna Chiara Sale, Alexander Brächer, Ana Markovic, Peter Kucmierczyk +1 more 2023-01-24
11440863 Process for preparing an alcohol from hydrocarbons Peter Kucmierczyk, Robert Franke, Johannes Knossalla, Marc Schäpertöns, Frederik Gluth 2022-09-13
11396488 Process for preparing aldehydes and separation of the catalyst system by membrane separation Alexander Brächer, Johannes Knossalla, Robert Franke, Frederik Gluth, Marc Schäpertöns +4 more 2022-07-26
11365171 Process for preparing an ester by alkoxycarbonylation Peter Kucmierczyk, Robert Franke, Johannes Knossalla, Marc Schäpertöns, Frederik Gluth 2022-06-21
11028110 Process for the alkoxycarbonylation of alcohols Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dieter Hess +3 more 2021-06-08
11008275 Process for preparing carboxylic acids or salts thereof from hydrocarbons Peter Kucmierczyk, Robert Franke, Johannes Knossalla, Marc Schäpertöns, Frederik Gluth 2021-05-18
10577297 Method for obtaining alcohols from aldehydes Robert Franke, Michael Grass, Florian Boeck, Corinna Hecht, Benedikt Dercks +4 more 2020-03-03
10562838 Process for the alkoxycarbonylation of olefins in a medium having a low Brønsted acid concentration Xianjie Fang, Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller +4 more 2020-02-18
10562833 Method for obtaining alcohols from aldehydes III Robert Franke, Michael Grass, Florian Boeck, Corinna Hecht, Benedikt Dercks +4 more 2020-02-18
10544174 Process for the alkoxycarbonylation of ethylenically unsaturated compounds with monophosphine ligands Kaiwu Dong, Ralph Jackstell, Matthias Beller, Dieter Hess, Katrin Marie Dyballa +2 more 2020-01-28
10526356 Bisphosphites having 2,4-tert-butylphenyl units and use thereof as ligands in hydroformylation Katrin Marie Dyballa, Robert Franke, Dieter Hess 2020-01-07
10501392 Method for obtaining alcohols from aldehydes II Robert Franke, Michael Grass, Florian Boeck, Corinna Hecht, Benedikt Dercks +4 more 2019-12-10