Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12255434 | Laser device with non-absorbing mirror, and method | René Todt, Evgeny Zibik, Susanne Pawlik, Gustavo F. Villares | 2025-03-18 |
| 11824322 | Laser device with non-absorbing mirror, and method | René Todt, Evgeny Zibik, Susanne Pawlik, Gustavo F. Villares | 2023-11-21 |
| 11208059 | Structural element for a motor vehicle and method of manufacturing a structural element | — | 2021-12-28 |
| 8071389 | Method for controlling hydrogenation | Alexander Weck, Gunther Windecker, Gunnar Heydrich, Rolf Pinkos, Olga Schubert +1 more | 2011-12-06 |
| 7507866 | Method for producing optically active alcohols or carboxylic acids | Heiko Urtel, Andrea Haunert, Markus Schubert | 2009-03-24 |
| 7351311 | Method for purifying tetrahydrofuran by distillation | Gunther Windecker, Alexander Weck, Rolf Fischer, Nils Bottke, Michael Hesse +2 more | 2008-04-01 |
| 7307040 | Method for the selective production of tetrahydrofuran by hydrogenating maleic acid anhydride | Stephan Schlitter, Holger Borchert, Michael Hesse, Markus Schubert, Nils Bottke +3 more | 2007-12-11 |
| 7271299 | Two-stage method for producing butanediol with intermediated separation of succinic anhydride | Michael Hesse, Stephan Schlitter, Holger Borchert, Markus Schubert, Nils Bottke +4 more | 2007-09-18 |
| 7230141 | Method for producing toluol derivatives | Nils Bottke, Rolf Fischer, Thomas Nöbel | 2007-06-12 |
| 7217679 | Catalytic coating for the hydrogenation of maleic anhydride and related compounds to give γ-butyrolactone, tetrahydrofuran and derivatives thereof | Holger Borchert, Stephan Schlitter, Rolf Fischer, Frank Stein, Ralf-Thomas Rahn +1 more | 2007-05-15 |
| 7193091 | Method for the simultaneous production of tetrahydrofurans and pyrrolidones | Rolf Fischer, Nils Bottke, Alexander Weck, Gunther Windecker, 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, Nils Bottke +4 more | 2007-01-30 |
| 7154011 | Method for the production of 1,4- butanediol | Michael Hesse, Stephan Schlitter, Holger Borchert, Markus Schubert, Nils Bottke +4 more | 2006-12-26 |
| 7092736 | Radio communication system | Elisabeth Auth, Hans Dressler, Andreas Gerwens, Ralf Hofmann, Roland Riedlinger | 2006-08-15 |
| 6992226 | Single-stage method for producing toluene derivatives | Rolf Fischer, Norbert Gotz | 2006-01-31 |
| 6958404 | Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor | Holger Borchert, Stephan Schlitter, Michael Hesse, Frank Stein, Rolf Fischer +2 more | 2005-10-25 |
| 6888011 | Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran | Holger Borchert, Stephan Schlitter, Rolf Fischer, Ralf-Thomas Rahn, Alexander Weck | 2005-05-03 |
| 6831182 | Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones | Holger Borchert, Stephan Schlitter, Rolf Fischer, Frank Stein, Ralf-Thomas Rahn +2 more | 2004-12-14 |
| 6730800 | Method for the production of tetrahydrofuran | Rolf Fischer, Frank Stein, Rolf Pinkos, Michael Hesse, Michael Jolyon Sprague +4 more | 2004-05-04 |