| 5736307 |
Silver halide color photographic light-sensitive elements having improved image quality |
Massimo Bertoldi, Antonio Poggi |
1998-04-07 |
| 5663040 |
Silver halide photographic elements containing 2-equivalent 5-pyrazolone magenta couplers |
Massimo Bertoldi, Anna Marie Canuti, Ferdinando Orengo |
1997-09-02 |
| 5646297 |
Process for preparation of 2-equivalent 4-arylthio-5-pyrazolone magenta couplers |
Anna Maria Canuti |
1997-07-08 |
| 4988811 |
5-(1,2,4)-triazolyl-S-triazines |
Luigi Valbusa, Andrea Quaglia, Mario Tavella |
1991-01-29 |
| 4636457 |
Process for forming direct positive images, direct positive silver halide elements, compositions and compounds as characteristics feature of such processes and elements |
Luigi Valbusa, Andrea Quaglia, Mario Tavella |
1987-01-13 |
