Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645981 | Photographic silver halide materials and process comprising a pyrazolotriazole coupler | Robert F. Romanet, Sharon E. Normandin | 1997-07-08 |
| 5620837 | Color photographic element containing benzazolium compounds | Sang H. Kim, Thomas Joseph Dannhauser | 1997-04-15 |