Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698552 | Hetrazepinoid amides | Karl-Heinz Weber, Werner Stransky, Ulrike Kufner-Muhl, Franz Birke, Wolf-Dietrich Bechtel | 1997-12-16 |
| 5686496 | Chemical compound, the preparation thereof and its use in pharmaceutical compositions | Ralf Anderskewitz, Kurt Schromm, Ernst-Otto Renth, Franz Birke, Armin Fugner +1 more | 1997-11-11 |