DR

Dirk Roettger

OG Oxeno Olefinchemie Gmbh: 13 patents #7 of 89Top 8%
EG Evonik Oxeno Gmbh: 5 patents #11 of 73Top 20%
EG Evonik Degussa Gmbh: 4 patents #305 of 1,853Top 20%
EG Evonik Functional Solutions Gmbh: 3 patents #1 of 14Top 8%
EG Evonik Operations Gmbh: 1 patents #547 of 1,233Top 45%
📍 Recklinghausen, DE: #5 of 345 inventorsTop 2%
Overall (All Time): #136,855 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6492564 Process for the catalytically carrying out multiphase reactions, in particular hydroformylations Klaus-Diether Wiese, Guido Protzmann, Juergen Koch, Martin Trocha 2002-12-10
6482992 Multistage process for the preparation of oxo aldehydes and/or alcohols Bernhard Scholz, Franz Nierlich, Alfred Kaizik, Dieter Hess, Wilfried Bueschken +2 more 2002-11-19
6403837 Process for the catalytic preparation of aldehydes from olefins using ligand mixtures Dieter Hess, Detlef Selent, Armin Boerner 2002-06-11