DH

Dieter Hess

EG Evonik Degussa Gmbh: 27 patents #16 of 1,853Top 1%
OG Oxeno Olefinchemie Gmbh: 10 patents #9 of 89Top 15%
EA Evonik Industries Ag: 4 patents #3 of 142Top 3%
EG Evonik Oxeno Gmbh: 4 patents #14 of 73Top 20%
EG Evonik Operations Gmbh: 1 patents #547 of 1,233Top 45%
HA Huels Aktiengesellschaft: 1 patents #269 of 532Top 55%
📍 Marl, DE: #1 of 424 inventorsTop 1%
Overall (All Time): #60,744 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
11028110 Process for the alkoxycarbonylation of alcohols Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dirk Fridag +3 more 2021-06-08
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
10544174 Process for the alkoxycarbonylation of ethylenically unsaturated compounds with monophosphine ligands Kaiwu Dong, Ralph Jackstell, Matthias Beller, Dirk Fridag, 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, Dirk Fridag 2020-01-07
10494326 Process for the alkoxycarbonylation of ethers Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dirk Fridag +3 more 2019-12-03
10294191 Monophosphine compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds Kaiwu Dong, Ralf Jackstell, Matthias Beller, Robert Franke, Katrin Marie Dyballa +2 more 2019-05-21
10202329 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 2019-02-12
10202409 1, 1′ -bis(phosphino)ferrocene ligands for alkoxycarbonylation Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dirk Fridag +3 more 2019-02-12
10167245 Method for hydroformylating cyclooctadiene using 4-([1,1′:3′,1″-terphenyl]-2′-yloxy)-S-dinaphtho[2,1-D:1′,2′-F][1,3,2]dioxaphosphepine Katrin Marie Dyballa, Robert Franke, Dirk Fridag, Detlef Selent, Armin Börner 2019-01-01
10167244 Method for hydroformylating cyclooctadiene using 2-(anthracen-9-yloxy)-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane Katrin Marie Dyballa, Robert Franke, Dirk Fridag, Detlef Selent, Armin Börner 2019-01-01
10087134 Process for the preparation of esters by means of carbonylation of ethers Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dirk Fridag +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, Dirk Fridag, Robert Franke, Markus Priske +2 more 2018-07-10
9981903 Method for preparing di- or tricarboxylic esters by alkoxycarbonylation of dienes having conjugated double bonds Kaiwu Dong, Ralf Jackstell, Matthias Beller, Dirk Fridag, Katrin Marie Dyballa +2 more 2018-05-29
9938310 1, 1′-bis(phosphino)ferrocene ligands for alkoxycarbonylation Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller, Dirk Fridag +3 more 2018-04-10
9914681 Preparation of high-quality oxo process alcohols from inconstant raw material sources Frank Geilen, Katrin Marie Dyballa, Stephan Peitz, Robert Franke, Dirk Fridag +3 more 2018-03-13
9908910 Bidentate diphosphoramidites with a piperazine group as ligands for hydroformylation Katrin Marie Dyballa, Robert Franke, Dirk Fridag, 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, Dirk Fridag, Frank Geilen, Galina Morales TORRES +2 more 2018-02-20
9737884 Process for catalytic preparation of aldehydes from olefins using monophosphite mixtures Katrin Marie Dyballa, Robert Franke, Dirk Fridag, Bart Hamers, Frank Geilen 2017-08-22
9725398 Benzene-based diphosphine ligands for alkoxycarbonylation Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller, Robert Franke +3 more 2017-08-08
9688604 Phosphine ligand and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds Reiko Jennerjahn, Samet Gülak, Xiangjie FANG, Kaiwu Dong, Helfried Neumann +6 more 2017-06-27
9556096 Unsymmetric bisphosphite Andrea Christiansen, Robert Franke, Dirk Fridag, Katrin Marie Dyballa, Bernd Hannebauer 2017-01-31
9499463 Mixtures of constitutionally isomeric bisphosphites Andrea Christiansen, Robert Franke, Dirk Fridag, Katrin Marie Dyballa, Bernd Hannebauer 2016-11-22
9409844 Mixture of different asymmetrical bisophosphites and use thereof as a catalyst mixture in hydroformylation Andrea Christiansen, Robert Franke, Dirk Fridag, Katrin Marie Dyballa, Bernd Hannebauer 2016-08-09
9359278 Organophosphorus compounds based on anthracenetriol Andrea Christiansen, Robert Franke, Dirk Fridag, Burkard Kreidler, Detlef Selent +1 more 2016-06-07