Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688846 | Spiro-pyranic compounds endowed with photochromic characteristics | Nereo Nodari, Vincenzo Malatesta, Luciana Crisci | 1997-11-18 |
| 5599876 | Composition and procedure for the preparation of organic glasses | Fiorenzo Renzi, Claudio Gagliardi, Franco Rivetti | 1997-02-04 |