SK

Stephan Kohlstruk

EG Evonik Degussa Gmbh: 9 patents #7 of 411Top 2%
📍 Gladbeck, DE: #1 of 3 inventorsTop 35%
Overall (2018): #7,637 of 503,207Top 2%
9
Patents 2018

Issued Patents 2018

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10160717 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Martina Ortelt, Dirk Fuchsmann +4 more 2018-12-25
10125089 Process for preparing 3 aminomethyl-3,5,5-trimethylcyclohexylamine Anne Rittsteiger, Alexander Martin Rüfer, Norbert Schlüter, Sven Schneider, Sabrina Sowka +3 more 2018-11-13
10093605 Catalytic oxidation of 3,5,5-trimethylcyclohexa-3-ene-1-one (β-isophorone) with hydrogen peroxide to afford 2,6,6-trimethyl-2-cyclohexene-1,4-dione (keto-isophorone) Stephanie Bajus, Jan Caßens, Jens Döring, Jörg-Joachim Nitz, Robert Jansen 2018-10-09
9937483 Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine Anne Rittsteiger, Alexander Martin Ruefer, Norbert Schlueter, Sven Schneider, Sabrina Sowka +3 more 2018-04-10
9878979 Fine purification of isophoronenitrile by melt crystallization Joerg-Joachim Nitz, Robert Jansen, Anja Mueller, Jan Cassens, Axel Hengstermann 2018-01-30
9878500 Composite semifinished products, molded parts produced therefrom, and molded parts produced directly based on hydroxy-functionalized (meth)acrylates, which are cross-linked by means of uretdiones in a thermosetting manner Guenter Schmitt, Sandra Reemers, Emmanouil Spyrou, Heike Heeb, Friedrich Georg Schmidt +1 more 2018-01-30
9868702 Process for producing 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 2018-01-16
9868699 Process for removing cations from an isophoronenitrile product mixture Joerg-Joachim Nitz, Robert Jansen, Andreas Merkel, Anja Mueller, Jan Cassens +1 more 2018-01-16
9862673 2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Martina Ortelt, Dirk Fuchsmann +4 more 2018-01-09