Issued Patents All Time
Showing 26–50 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8247580 | Process for preparing ε-caprolactone | Gerd-Dieter Tebben, Thomas Krug, Tilman Sirch, Todd C. Spengeman, Stephanie A. Bejune +2 more | 2012-08-21 |
| 8236996 | Process for preparing 1,6-hexanediol | — | 2012-08-07 |
| 8217186 | Process for preparing epsilon-caprolactone | Gerd-Dieter Tebben, Daniel Breuninger, Tilman Sirch, Christophe Bauduin, Maria Guixa Guardia +1 more | 2012-07-10 |
| 8188320 | Process for preparing pure cyclododecanone | Joaquim Henrique Teles, Beatrice Röβler-Feigel, Alexander Hauk, Anton Meier, Christian Müller +4 more | 2012-05-29 |
| 8183411 | Process for preparing 6-hydroxycaproic esters | Tilman Sirch, Gerd-Dieter Tebben, Rolf Fischer | 2012-05-22 |
| 8168807 | Process for one-stage preparation of 2-methyltetrahydrofuran from furfural over two catalysts in a structured bed | Tobias Wabnitz, Daniel Breuninger, Jens Heimann, Rene Backes | 2012-05-01 |
| 8148581 | Process for preparing plastics using 1,6-hexanediol having an aldehyde content of less than 500 ppm | Eva Kretzschmar, Olivier Abillard, Lionel Gehringer | 2012-04-03 |
| 8138283 | Method for changing the predefined mean molecular weight Mn during the continuous production of polytetrahydrofuranes or THF copolymers | Jochen Steiner, Stefan Käshammer, Tobias Wabnitz | 2012-03-20 |
| 8124815 | Process for preparing 1,6-hexanediol | — | 2012-02-28 |
| 8071389 | Method for controlling hydrogenation | Alexander Weck, Markus Rösch, Gunther Windecker, Gunnar Heydrich, Olga Schubert +1 more | 2011-12-06 |
| 8030439 | Method for the production of polytetrahydrofurane or tetrahydrofurane copolymers | Tobias Wabnitz, Stephan Hatscher, Stefan Käshammer | 2011-10-04 |
| 8017790 | Method for producing pyrrolidones from succinates from fermentation broths | Wolfgang Fischer, Daniela Klein, Andreas Künkel, Edzard Scholten | 2011-09-13 |
| 7897719 | Catalyst and process for the polymerization of cyclic ethers | Stephan Hatscher, Michael Hesse, Tobias Wabnitz, Stefan Käshammer | 2011-03-01 |
| 7838705 | Process for the preparation of cyclododecanone | Joaquim Henrique Teles, Beatrice Rossler, Thomas Genger, Thomas Preiss | 2010-11-23 |
| 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 |
| 7790930 | Method for purifying cyclic ketones | Gerd-Dieter Tebben, Christian Müller, Harald Rust | 2010-09-07 |
| 7759531 | Process for preparing 1,4-butanediol | Rudolf Erich Lorenz, York Alexander Beste | 2010-07-20 |
| 7754925 | Method for the hydrogenation of mass fluxes containing aldehyde | Gerd-Dieter Tebben, Alexander Hauk, Christian Mueller, Harald Rust | 2010-07-13 |
| 7714172 | Method for the production of cyclic ketones | Joaquim Henrique Teles, Beatrice Röβler, Gerd-Dieter Tebben, Christian Müller, Harald Rust | 2010-05-11 |
| 7714171 | Method for purifying cyclic ketones | Gerd-Dieter Tebben, Alexander Hauk, Christian Müller, Harald Rust | 2010-05-11 |
| 7649119 | Method for the production of cyclic ketones | Joaquim Henrique Teles, Beatrice Röβler, Gerd-Dieter Tebben, Christian Müller | 2010-01-19 |
| 7605292 | Method for the separation of polymeric by-products from 1,4-butynediol | Rudolf Erich Lorenz, Michael Steiniger, Gerd Schaefer, Thomas Danner | 2009-10-20 |
| 7598405 | Method for the distillative processing of tetrahydrofuran | Gunther Windecker, Alexander Weck, Markus Roesch, Michael Steiniger, Dany Vanden Hautte | 2009-10-06 |
| 7586011 | Method for the production of tetrahydrofuran copolymers | Martin Haubner | 2009-09-08 |
| 7572941 | Method for the separation of polymeric by-products from 1,4-butynediol | Rudolf Erich Lorenz, Michael Steiniger, Gerd Schaefer | 2009-08-11 |