Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4432905 | Simplified process for the degradation of steroid-C-22-carboxylic acids | Michael Bahn, Wolfgang Preuss, Rolf Schmid | 1984-02-21 |
| 4333880 | 3-Oxo-pregna-1,14,17-trien-20-carboxylates and process | Wolfgang Preuss, Michael Bahn, Rolf Schmid | 1982-06-08 |