Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638701 | Photographic element containing a red dye-forming pyrazolotriazole coupler | Mbiya Kapiamba, David G. Lincoln, James L. Edwards, Gary M. Russo | 2003-10-28 |
| 6576411 | Method of passivating a silver donor with a dye and photothermographic systems made thereby | Mark E. Irving, JoAnn D. Hanna, Mark R. Mis, Nancy B. Liebert | 2003-06-10 |
| 6497999 | Method of passivating silver donors in photothermographic systems and imaging elements made thereby | JoAnn D. Hanna, Nancy B. Liebert, Mark E. Irving | 2002-12-24 |