Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9045382 | Process for working up solvent-containing hydrogenation product mixtures | Rolf Pinkos, Jens Heimann, Hans-Martin Polka, Heiko Urtel | 2015-06-02 |
| 8476463 | Process for separating off fumaric acid and other minor components during the production of maleic anhydride | Jens Weiguny, Alexander Weck, Ellen Dahlhoff, Wolf-Steffen Weiβker, Jorg Heilek +2 more | 2013-07-02 |
| 8461356 | Process for obtaining maleic anhydride by distillation | Gerd Kaibel, Michael Steiniger, Thilo Buntrock, Jens Weiguny, Dany Vanden Hautte +1 more | 2013-06-11 |
| 8071389 | Method for controlling hydrogenation | Alexander Weck, Markus Rösch, Gunnar Heydrich, Rolf Pinkos, Olga Schubert +1 more | 2011-12-06 |
| 7807603 | Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds | Stephan Schlitter, Olga Schubert, Michael Hesse, Sabine Borchers, Markus Roesch +2 more | 2010-10-05 |
| 7598405 | Method for the distillative processing of tetrahydrofuran | Alexander Weck, Markus Roesch, Michael Steiniger, Rolf Pinkos, Dany Vanden Hautte | 2009-10-06 |
| 7459571 | Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds | Stephan Schlitter, Olga Schubert, Michael Hesse, Sabine Borchers, Markus Roesch +2 more | 2008-12-02 |
| 7442810 | Method for the production of defined mixtures of THF, BDO and GBL by gas phase hydrogenation | Markus Roesch, Rolf Pinkos, Michael Hesse, Stephan Schlitter, Henrik Junicke +2 more | 2008-10-28 |
| 7351311 | Method for purifying tetrahydrofuran by distillation | Alexander Weck, Rolf Fischer, Markus Rösch, Nils Bottke, Michael Hesse +2 more | 2008-04-01 |
| 7271299 | Two-stage method for producing butanediol with intermediated separation of succinic anhydride | Michael Hesse, Stephan Schlitter, Holger Borchert, Markus Schubert, Markus Rösch +4 more | 2007-09-18 |
| 7193091 | Method for the simultaneous production of tetrahydrofurans and pyrrolidones | Rolf Fischer, Markus Rösch, Nils Bottke, Alexander Weck, Michael Hesse +2 more | 2007-03-20 |
| 7169958 | Method for the production of 1,4- butane-diol by combined gas-phase and liquid-phase hydrogenation | Michael Hesse, Stephan Schlitter, Holger Borchert, Markus Schubert, Markus Rösch +4 more | 2007-01-30 |
| 7154011 | Method for the production of 1,4- butanediol | Michael Hesse, Stephan Schlitter, Holger Borchert, Markus Schubert, Markus Rösch +4 more | 2006-12-26 |