Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6162947 | Process for the preparation of 4-carboxy-5, 8,11-tris (carboxymethyl)-phenyl-2-oxa-5, 8 11-triazatridecan | Marina Ausonio, Carlo Distaso, Giuseppe Gerardo Elia, Alessandro Lesignoli, Carlo Secchi +1 more | 2000-12-19 |
| 5811581 | Process for the purification of opacifying contrast agents | Carlo Felice Viscardi, Massimo Gagna | 1998-09-22 |
| 5599931 | Process for separating stereoisomers of folinic acid | Giorgio Ripa, Ernst Fekder | 1997-02-04 |
| 5447635 | Process of concentration and purification of organic compounds | Carlo Felice Viscardi | 1995-09-05 |