Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700808 | 5- or 6-substituted .beta.-carboline-3-carboxylic acid esters | Helmut Biere, Dieter Rahtz, Ralph Schmiechen, Dieter Seidelmann, Wolfgang Kehr +5 more | 1997-12-23 |
| 5698555 | Hetaryloxy-.beta.-carbolines, their production and use in pharmaceutical agents | Martin Kruger, Dieter Seidelmann, Herbert Schneider, Lechoslaw Turski, David N. Stephens | 1997-12-16 |