Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519096 | Process for preparing amino compounds from nitrile compounds | Stephan Kohlstruk, Dirk Hoppe, Alexander Martin Rüfer, Sabrina Sowka, Sven Schneider +5 more | 2019-12-31 |
| 10392340 | Purification of crude isophoronediamine by partial condensation in series with total condensation | Jan Caßens, Axel Hengstermann, Cord Knoop, Anja Müller, Alexander Martin Rüfer | 2019-08-27 |
| 10343975 | Coupling of distillative purification with a partial condenser for pre-purification of isophoronediamine | Alexander Martin Rüfer, Guido Streukens, Stephan Kohlstruk, 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, Jörg-Joachim Nitz, Stephan Kohlstruk, 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, Jörg-Joachim Nitz, Stephan Kohlstruk, Martina Ortelt, Dirk Fuchsmann +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, Jörg-Joachim Nitz, Stephan Kohlstruk, Martina Ortelt, Dirk Fuchsmann +4 more | 2018-12-25 |
| 10125089 | Process for preparing 3 aminomethyl-3,5,5-trimethylcyclohexylamine | Stephan Kohlstruk, Alexander Martin Rüfer, Norbert Schlüter, Sven Schneider, Sabrina Sowka +3 more | 2018-11-13 |
| 9937483 | Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine | Stephan Kohlstruk, Alexander Martin Ruefer, Norbert Schlueter, Sven Schneider, Sabrina Sowka +3 more | 2018-04-10 |
| 9868702 | Process for producing 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine | Alexander Martin Rüfer, Jörg-Joachim Nitz, Stephan Kohlstruk, Martina Ortelt, Dirk Fuchsmann +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, Jörg-Joachim Nitz, Stephan Kohlstruk, Martina Ortelt, Dirk Fuchsmann +4 more | 2018-01-09 |