Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5866559 | 17.alpha.-cyanomethylestra-4,9-dien derivatives and pharmaceutical compositions containing same | Gerhard Teichmuller, Gerd Muller, Sigfrid Schwarz, Bernd Undeutsch, Ronald Gebuhr +3 more | 1999-02-02 |
| 4474701 | Process for the separation of 4-androsten-3,17-dione and 1,4-androstadien-3,17-dione | Gerhard Teichmuller, Joachim Rabe | 1984-10-02 |