Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4552834 | Enhanced bleaching of photographic elements containing silver halide and adsorbed dye | Philip T. S. Lau | 1985-11-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4552834 | Enhanced bleaching of photographic elements containing silver halide and adsorbed dye | Philip T. S. Lau | 1985-11-12 |