SK

Stephan Kohlstruk

EG Evonik Degussa Gmbh: 6 patents #13 of 451Top 3%
📍 Gladbeck, DE: #1 of 6 inventorsTop 20%
Overall (2019): #21,521 of 560,194Top 4%
6
Patents 2019

Issued Patents 2019

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10519096 Process for preparing amino compounds from nitrile compounds Anne Rittsteiger, Dirk Hoppe, Alexander Martin Rüfer, Sabrina Sowka, Sven Schneider +5 more 2019-12-31
10343975 Coupling of distillative purification with a partial condenser for pre-purification of isophoronediamine Anne Rittsteiger, Alexander Martin Rüfer, Guido Streukens, Matthias Orschel, Matthias Mendorf +3 more 2019-07-09
10252980 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use Alexander Martin Rüfer, Anja Poschen, Anne Rittsteiger, Jörg-Joachim Nitz, Martina Ortelt +4 more 2019-04-09
10221277 Epoxy resin composition comprising 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine (AM-CPDA) as hardener Eike Langkabel, Martina Ortelt, Dirk Fuchsmann, Jaclyn Balthasar, Alexander Martin Rüfer +2 more 2019-03-05
10214612 Epoxy resin composition comprising 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine as hardener Eike Langkabel, Martina Ortelt, Dirk Fuchsmann, Jaclyn Balthasar, Alexander Martin Rüfer +2 more 2019-02-26
10173979 Hardener composition including 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Martina Ortelt, Dirk Fuchsmann +4 more 2019-01-08