Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4945064 | Estrane and androstane derivatives, process for producing them and preparations containing these compounds | Helmut Hofmeister, Henry Laurent, Paul-Eberhard Schulze, Klaus Annen, Rudolf Wiechert +2 more | 1990-07-31 |