Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38251 | Composition comprising photochemical acid progenitor and specific squarylium dye | Stanley C. Busman, Richard J. Ellis, Jeanne E. Haubrich, William D. Ramsden, Gregory D. Cuny | 2003-09-16 |
| 6605416 | Compositions and processes for photogeneration of acid | Stanley C. Busman, Richard J. Ellis, Jeanne E. Haubrich, William D. Ramsden, Gregory D. Cuny | 2003-08-12 |
| 5763134 | Composition comprising photochemical acid progenitor and specific squarylium dye | Stanley C. Busman, Richard J. Ellis, Jeanne E. Haubrich, William D. Ramsden, Gregory D. Cuny | 1998-06-09 |
| 5424183 | Ballasted leuco dyes and photothermographic element containing same | Takuzo Ishida, Roger A. Mader, Doreen C. Lynch, Kenneth L. Hanzalik | 1995-06-13 |
| 5360694 | Thermal dye transfer | Ranjan C. Patel | 1994-11-01 |
| 5246909 | Dye transfer media | Ranjan C. Patel | 1993-09-21 |
| 5208135 | Preparation and use of dyes | Ranjan C. Patel, David Warner | 1993-05-04 |
| 4923792 | Color photothermographic elements | Duncan M. A. Grieve, Stephen S. Poon, Kumars Sakizadeh, David C. Weigel | 1990-05-08 |
| 4883747 | Color photothermographic elements | Duncan M. A. Grieve, Stephen S. Poon, Kumars Sakizadeh, David C. Weigel | 1989-11-28 |
| 4710570 | Azine redox dyes and leuco azine dyes | — | 1987-12-01 |