Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Stephan Kohlstruk +4 more | 2019-04-09 |
| 10173979 | Hardener composition including 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine | Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Stephan Kohlstruk, Martina Ortelt +4 more | 2019-01-08 |
| 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, Stephan Kohlstruk, Martina Ortelt +4 more | 2018-12-25 |
| 9868702 | Process for producing 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine | Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Stephan Kohlstruk, Martina Ortelt +4 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, Stephan Kohlstruk, Martina Ortelt +4 more | 2018-01-09 |
| 9035102 | Hydrolysis of the residues obtained in the production of isophorone to recover isophorone and acetone | Joerg-Joachim Nitz, Stephan Kohlstruk, Robert Jansen, Matthias Orschel, Andreas Merkel +5 more | 2015-05-19 |