Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698386 | Photographic dye-forming coupler, emulsion layer, element, and process | David J. Decker, Susan M. Fischer, Stanley W. Cowan | 1997-12-16 |
| 5681690 | Photographic dye-forming coupler, emulsion layer, element, and process | Thomas H. Jozefiak | 1997-10-28 |
| 5667952 | Photographic material and process comprising a bicyclic pyrazolo coupler | Stanley W. Cowan | 1997-09-16 |
| 5609996 | Photographic emulsion layer containing pyrazoloazole coupler exhibiting improved dye light fade | Stanley W. Cowan, David J. Decker, Terrence C. Mungal | 1997-03-11 |