Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8227596 | Process for the preparation of drospirenone | Roberto Lenna, Silvia Piuri | 2012-07-24 |
| 7868194 | Process for the preparation of 21-hydroxy steroids with control of the epimeric distribution at the C-21 position | Roberto Lenna, Maria Julieta Comin, Javier Ramirez, Juan B. Rodriguez | 2011-01-11 |
| 7585971 | Process for the preparation of drospirenone | Roberto Lenna, Silvia Piuri | 2009-09-08 |