Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364733 | Photothermographic elements with novel layer structures, each of which contains a thermally-diffusible oxidizable leuco dye and process for producing a color image from leuco dye | Takuzo Ishida, Richard C. Cotner | 1994-11-15 |
| 5300420 | Stabilizers for photothermography with nitrile blocking groups | Larry R. Krepski | 1994-04-05 |