Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10343975 | Coupling of distillative purification with a partial condenser for pre-purification of isophoronediamine | Anne Rittsteiger, Alexander Martin Rüfer, Guido Streukens, Stephan Kohlstruk, Matthias Mendorf +3 more | 2019-07-09 |
| 9453210 | Cells and method for producing acetone | Franz Ulrich Becker, Gerda Grund, Kai Doderer, Gerd Loehden, Gerd Brand +5 more | 2016-09-27 |
| 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 |
| 9035102 | Hydrolysis of the residues obtained in the production of isophorone to recover isophorone and acetone | Joerg-Joachim Nitz, Stephan Kohlstruk, Robert Jansen, Andreas Merkel, Michael Demming +5 more | 2015-05-19 |
| 8986961 | Fermentative production of acetone from renewable resources by means of novel metabolic pathway | Stefan Verseck, Steffen Schaffer, Werner Freitag, Friedrich Georg Schmidt, Gerda Grund +6 more | 2015-03-24 |
| 8889914 | Method for producing isophorone | Robert Jansen, Martin Maier, Gerda Grund, Markus Schwarz, Joerg-Joachim Nitz +1 more | 2014-11-18 |
| 8884066 | Process for preparing isophorone in the presence of at least one defoamer in the wastewater column in the workup section | Robert Jansen, Martin Maier, Joerg-Joachim Nitz, Markus Schwarz | 2014-11-11 |
| 8877976 | Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine | Christian Lettmann, Guido Streukens, Gerda Grund | 2014-11-04 |
| 7052914 | Automated method for examining catalytic and spectroscopic properties of the components of combinatorial libraries | Wilhelm Maier, Jens Klein, Christian Lettmann, Hans-Werner Schmidt | 2006-05-30 |