Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871482 | Process for the preparation of 1-methylandrosta-1,4-diene-3,17,dione, and the novel intermediates for this process | Klaus Nickisch | 1989-10-03 |
| 4599200 | Process for the production of 17.alpha.-acetoxy-1.alpha.,2.alpha.-methylene-4,6-pregnadiene-3,20-dione | — | 1986-07-08 |