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, Claudia Moore, Michael Oettel, Monika Ostertag | 2005-04-26 |
| 6133251 | Combination compound for contraception based on natural estrogen | Michael Dittgen, Sabine Fricke, Claudia Moore, Michael Oettel, Monika Ostertag | 2000-10-17 |
| 6063404 | Bioadhesive tablet | Carsten Timpe, Michael Dittgen, Detlef Grawe, Jochen Schumacher, Holger Zimmermann | 2000-05-16 |
| 4231946 | 14,15-Methylene derivatives of the estrane series and methods for preparing same | Kurt Ponsold, Richard Prousa, Michael Oettel, Joachim Strecke | 1980-11-04 |