Issued Patents All Time
Showing 1–3 of 3 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 |
| 4904462 | Multiply-tritiated steroidal-20,17-spirolactones and their use as tracer compounds | Paul-Eberhard Schulze, Klaus Nickisch, Henry Laurent | 1990-02-27 |
| 4725426 | Estrogenic 17.alpha.-halogen-vinylestranes | Helmut Hofmeister, Henry Laurent, Paul-Eberhard Schulze, Rudolf Wiechert, Walter Elger +1 more | 1988-02-16 |