Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322759 | Photographic donor material with non-photosensitive silver halide layer useful in a silver salt diffusion transfer process | Anthony M. Barnett, Roger J. Owers | 1994-06-21 |
| 5308746 | Silver image bleaching solution and process | Anthony M. Barnett, Colin Gray, Jeffrey K. Green, Julie Baker | 1994-05-03 |
| 5013638 | Photographic silver halide element containing small amounts of bromide ions | Anthony M. Barnett | 1991-05-07 |