Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505544 | Process for preparing antihelmintic 4-amino-quinoline-3-carboxamide derivatives | Florian ERVER, Frank MEMMEL, Thomas Himmler, Andreas Karl STEIB | 2022-11-22 |
| 7704999 | 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors | Ulrich Niewohner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer +5 more | 2010-04-27 |
| 7696206 | 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors | Ulrich Niewohner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer +5 more | 2010-04-13 |
| 7314871 | 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors, for treatment of hypertension | Ulrich Niewohner, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich +5 more | 2008-01-01 |
| 7122540 | 2-Phenyl substituted imidazotriazinones as phosphodiesterase inhibitors | Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich +5 more | 2006-10-17 |
| 7022847 | Method for the production of 2-(2-ethoxyphenyl)-substituted imidazotriazinones | Alexander Vetter | 2006-04-04 |
| 6998483 | Process for the preparation of sulphonamide-substituted imidazotriazinones | Reinhold Gehring, Werner Heilmann, Karl-Heinz Wahl | 2006-02-14 |
| 6890922 | 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors | Ulrich Niewohner, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich +5 more | 2005-05-10 |
| 6777551 | Process for the preparation of sulphonamide-substituted imidazotriazinones | Reinhold Gehring, Werner Heilmann, Karl-Heinz Wahl | 2004-08-17 |
| 6566360 | 2-phenyl substituted imidatriazinones as phosphodiesterase inhibitors | Ulrich Niewohner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer +5 more | 2003-05-20 |
| 6362178 | 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors | Ulrich Niewohner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer +5 more | 2002-03-26 |