Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020115 | Light-sensitive silver halide color photographic elements containing 2-equivalent 5-pyrazolone magenta couplers | Luisa Tavella, Antonio Poggi | 2000-02-01 |
| 5663040 | Silver halide photographic elements containing 2-equivalent 5-pyrazolone magenta couplers | Massimo Bertoldi, Enzo Coraluppi, Anna Marie Canuti | 1997-09-02 |