| 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 |
