Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4766217 | Preparation of 5,6-dihydro-pyrrolo[2,1-a]isoquinolines | Walter Losel, Otto Roos | 1988-08-23 |
| 4694085 | 5,6-dihydro-pyrrolo[2,1-a]isoquinolines and the preparation thereof | Walter Losel, Otto Roos | 1987-09-15 |