Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11326017 | Tin-free catalysis of silane-functional polyurethane crosslinkers | Tobias Unkelhäußer, Emmanouil Spyrou, Stephanie Hösl, Dennis Menne | 2022-05-10 |
| 10343975 | Coupling of distillative purification with a partial condenser for pre-purification of isophoronediamine | Anne Rittsteiger, Alexander Martin Rüfer, Stephan Kohlstruk, Matthias Orschel, Matthias Mendorf +3 more | 2019-07-09 |
| 10125089 | Process for preparing 3 aminomethyl-3,5,5-trimethylcyclohexylamine | Stephan Kohlstruk, Anne Rittsteiger, Alexander Martin Rüfer, Norbert Schlüter, Sven Schneider +3 more | 2018-11-13 |
| 9937483 | Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine | Stephan Kohlstruk, Anne Rittsteiger, Alexander Martin Ruefer, Norbert Schlueter, Sven Schneider +3 more | 2018-04-10 |
| 9085506 | Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine | Markus Galle, Gerda Grund, Axel Hengstermann, Michael D Hinton, Rolf-Burkhard Hirsch +11 more | 2015-07-21 |
| 9029412 | Method for preparing diamino-dianhydro-dideoxyhexitols, particularly preferably 2,5-diamino-1,4:3,6-dianhydro-2,5-dideoxy-D-hexitol | Christian Lettmann, Sven Schneider | 2015-05-12 |
| 8877976 | Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine | Christian Lettmann, Matthias Orschel, Gerda Grund | 2014-11-04 |