Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6005124 | Method for the preparation of steroid derivative ketal | Pieter Vrijhof | 1999-12-21 |
| 5955622 | Method for the preparation of steroid derivative ketal | Pieter Vrijhof | 1999-09-21 |