Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5212056 | Silver halide multilayer color photographic element comprising a disulfide supersensitizer | Ivano Delprato | 1993-05-18 |
| 4780400 | Silver halide emulsion containing a 2-unsubstituted N-alkenyl-thiazolium salt as latent image stabilizer and photographic elements including said emulsion | Francesco Squarcia | 1988-10-25 |
| 4777122 | Silver halide multilayer color photographic material containing couplers having different coupling rates | — | 1988-10-11 |