Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658717 | Silver halide color photographic elements | Roberto Sardelli, Massimo Bertoldi | 1997-08-19 |
| 5658718 | Silver halide color photographic elements | Roberto Sardelli, Massimo Bertoldi | 1997-08-19 |
| 5646297 | Process for preparation of 2-equivalent 4-arylthio-5-pyrazolone magenta couplers | Enzo Coraluppi | 1997-07-08 |