Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147257 | Process for the preparation of S-alkylcysteines | Giuseppe Barreca, Elena Rossi | 2000-11-14 |
| 6114523 | Process for the recycle of a waste product of diltiazem synthesis | Gaetano Marchioro, Giuseppe Barreca, Marco Villa, Laura Russo | 2000-09-05 |
| 6103931 | Process for preparing (R)-2-bromo-3-phenyl-propionic acid | Giorgio Soriato | 2000-08-15 |
| 5730908 | Photochromatic and thermochromatic compounds and their application in polymeric materials | Nereo Nodari, Luciana Crisci | 1998-03-24 |
| 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 |
| 5543533 | Photochromic products and method for their preparation | Nereo Nodari, Luciana Crisci, Vincenzo Malatesta | 1996-08-06 |
| 5532361 | Spiro-pyranic compounds endowed with photochromic characteristics | Nereo Nodari, Vincenzo Malatesta, Luciana Crisci | 1996-07-02 |
| 5242624 | Stabilizing mixture for compounds having a photochromatic activity | Vincenzo Malatesta, Luciana Crisci | 1993-09-07 |
| 5186867 | Spiro-indoline oxazine compounds with photochromatic and photosensitizing characteristics and the process for their preparation | Graziano Castaldi, Luciana Crisci, Fiorenzo Renzi | 1993-02-16 |
| 5171636 | Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation | Graziano Castaldi | 1992-12-15 |
| 5110922 | Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation | Graziano Castaldi | 1992-05-05 |
| 5055576 | Photochromatic and thermochromatic spiro-oxazepin-oxazine compounds and the process for their preparation | Graziano Castaldi | 1991-10-08 |