Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688964 | Process for preparing a acylhyrazino pyrazole derivative | Susan M. Fischer | 1997-11-18 |
| 5681691 | Photographic element containing an improved pyrazolotriazole coupler | Judith A. Bose, Louis E. Friedrich, David Hoke, Joan C. Potenza, Stephen P. Singer +1 more | 1997-10-28 |
| 5645981 | Photographic silver halide materials and process comprising a pyrazolotriazole coupler | Arlyce T. Bowne, Sharon E. Normandin | 1997-07-08 |