Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504568 | Sensitive silver halide photothermographic materials for producing dye images | Bernard A. Clark, Michael J. Simons | 1985-03-12 |
| 4420556 | Photographic silver halide materials | Robert Booms | 1983-12-13 |
| 4273708 | Carbonyl-substituted cyan azo dye-providing materials | Kenneth N. Kilminster | 1981-06-16 |
| 4195993 | Compounds which release cyan dyes or dye forming materials | Kenneth N. Kilminster | 1980-04-01 |