Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461041 | Progestogen-only contraceptive | Herman Jan Tijmen Coelingh Bennink | 1995-10-24 |
| 5236913 | 11-methylene-oestr-15-enes, processes for their preparation, and pharmaceutical compositions | — | 1993-08-17 |