Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465465 | Process for the treatment of erectile dysfunction and product therefor | Norbert Höfgen, Ute Egerland, Stefan Szelenyi, Thomas Kronbach | 2002-10-15 |
| 6251923 | Hydroxyindoles, their use as inhibitors of phosphodiesterase 4 and process for their preparation | Norbert Höfgen, Ute Egerland, Hildegard Poppe, Stefan Szelenyi, Thomas Kronbach +2 more | 2001-06-26 |