Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476029 | 7-alkyl- and cycloalkyl-substituted imidazotriazinones | Ulrich Niewohner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Gunter Schmidt +3 more | 2002-11-05 |
| 6458796 | Dihydro-[1,2,3]triazolo-[4,5-d]pyrimidin-7-one | Helmut Haning, Ulrich Niewohner, Ulrich Rosentreter, Thomas Schenke, Karl-Heinz Schlemmer | 2002-10-01 |
| 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 |