Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609996 | Photographic emulsion layer containing pyrazoloazole coupler exhibiting improved dye light fade | Ping-Wah Tang, Stanley W. Cowan, David J. Decker | 1997-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609996 | Photographic emulsion layer containing pyrazoloazole coupler exhibiting improved dye light fade | Ping-Wah Tang, Stanley W. Cowan, David J. Decker | 1997-03-11 |