Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6884793 | Combination preparation for contraception based on natural estrogens | Michael Dittgen, Sabine Fricke, Herbert Hoffmann, Michael Oettel, Monika Ostertag | 2005-04-26 |
| 6670350 | Method of administering dienogest in high dosages to reduce the body of the breast and pharmaceutical composition for same | Michael Oettel, Adolf Eduard Schindler, Bernd Christensen | 2003-12-30 |
| 6133251 | Combination compound for contraception based on natural estrogen | Michael Dittgen, Sabine Fricke, Herbert Hoffmann, Michael Oettel, Monika Ostertag | 2000-10-17 |
| 5633242 | Pharmaceuticals for contraception/hormone substitution containing a biogenous estrogen component | Michael Oettel, Hermann Osterwald, Thomas Gr aser | 1997-05-27 |