Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873182 | Light-sensitive silver halide photographic materials and process for incorporating hydrophobic photographic additives into hydrophilic colloid compositions | Agostino Baldassarri | 1989-10-10 |
| 4849327 | Silver halide light-sensitive material comprising benzo-bis-thiazole quaternary salts as antifogging agents | — | 1989-07-18 |