DF

Dirk Fridag

EG Evonik Degussa Gmbh: 16 patents #3 of 411Top 1%
📍 Haltern am See, DE: #1 of 17 inventorsTop 6%
Overall (2018): #2,467 of 503,207Top 1%
16
Patents 2018

Issued Patents 2018

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
10131607 Process for preparing unsymmetric OCO pincer ligands from the group of the M-terphenyl compounds Katrin Marie Dyballa, Robert Franke, Siegfried R. Waldvogel, Bernd Elsler, Anton WIEBE +1 more 2018-11-20
10131628 2,2′-diaminobiaryls having a phthaloyl group or succinoyl group Katrin Marie Dyballa, Robert Franke, Siegfried R. Waldvogel, Bernd Elsler, Mathias Enders 2018-11-20
10131623 Process for preparing symmetric pincer ligands from the group of the M-terphenyl compounds Katrin Marie Dyballa, Robert Franke, Siegfried R. Waldvogel, Bernd Elsler, Anton WIEBE 2018-11-20
10125093 2,2′-diaminobiaryls having one primary and one secondary amine Katrin Marie Dyballa, Robert Franke, Siegfried R. Waldvogel, Bernd Elsler, Mathias Enders 2018-11-13
10087134 Process for the preparation of esters by means of carbonylation of ethers Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dieter Hess +3 more 2018-10-02
10077228 Ferrocene-based compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller, Robert Franke +3 more 2018-09-18
10017443 Optimized separation technique for work-up of homogeneously catalysed hydroformylation mixtures Hans-Gerd Lueken, Bart Hamers, Robert Franke, Markus Priske, Dieter Hess +2 more 2018-07-10
10000440 Influencing the viscosity of N-butene-based ester mixtures by controlled use of ethene in the preparation of the ester precursors Helene Reeker, Guido Stochniol, Dietrich Maschmeyer, Horst-Werner Zanthoff, Jörg Schallenberg +5 more 2018-06-19
9982001 Bisphosphites having an unsymmetric central biaryl unit Katrin Marie Dyballa, Robert Franke, Armin Börner, Detlef Selent 2018-05-29
9981903 Method for preparing di- or tricarboxylic esters by alkoxycarbonylation of dienes having conjugated double bonds Kaiwu Dong, Ralf Jackstell, Matthias Beller, Dieter Hess, Katrin Marie Dyballa +2 more 2018-05-29
9950979 Method for producing asymmetrical biphenols using selenium dioxide Katrin Marie Dyballa, Robert Franke, Michael Mirion, Thomas Quell, Siegfried R. Waldvogel 2018-04-24
9938310 1, 1′-bis(phosphino)ferrocene ligands for alkoxycarbonylation Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller, Dieter Hess +3 more 2018-04-10
9914681 Preparation of high-quality oxo process alcohols from inconstant raw material sources Frank Geilen, Katrin Marie Dyballa, Dieter Hess, Stephan Peitz, Robert Franke +3 more 2018-03-13
9908910 Bidentate diphosphoramidites with a piperazine group as ligands for hydroformylation Katrin Marie Dyballa, Robert Franke, Dieter Hess, Frank Geilen, Galina Morales TORRES +2 more 2018-03-06
9896404 Bidentate diphosphoramidites with a homopiperazine group as ligands for hydroformylation Katrin Marie Dyballa, Robert Franke, Dieter Hess, Frank Geilen, Galina Morales TORRES +2 more 2018-02-20
9879353 Electrochemical coupling of two phenols which differ in their oxidation potential Katrin Marie Dyballa, Robert Franke, Siegfried R. Waldvogel, Bernd Elsler 2018-01-30