Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693846 | Process for preparation of 4-mercapto-1-naphthol compounds | Ivano Delprato | 1997-12-02 |
| 5681693 | Post processing stabilization of photothermographic emulsions | Stefano Mana, Cristina Soncini | 1997-10-28 |
| 5667953 | Silver halide photographic material comprising mercaptotetrazole compound(s) | Mark P. Kirk | 1997-09-16 |
| 5663040 | Silver halide photographic elements containing 2-equivalent 5-pyrazolone magenta couplers | Enzo Coraluppi, Anna Marie Canuti, Ferdinando Orengo | 1997-09-02 |
| 5658717 | Silver halide color photographic elements | Anna Maria Canuti, Roberto Sardelli | 1997-08-19 |
| 5658718 | Silver halide color photographic elements | Anna Maria Canuti, Roberto Sardelli | 1997-08-19 |