Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569585 | Thermal imaging process and products using image rigidification | Jonathan V. Caspar, Harvey Walter Taylor, Jr., Gregory C. Weed | 2003-05-27 |
| 6294308 | Thermal imaging process and products using image rigidification | Jonathan V. Caspar, Harvey Walter Taylor, Jr., Gregory C. Weed | 2001-09-25 |
| 6063541 | Hydrazides | Richmond C. Watson, Albert B. Levit, Bruce M. Resnick | 2000-05-16 |
| 4552980 | Dye precursors and their use in photographic materials and processes | — | 1985-11-12 |
| 4507479 | Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye | Patricia A. Graham, James E. Klijanowicz | 1985-03-26 |
| 4499304 | Color-forming sulfonamidodiphenylamines and corresponding sulfonimide dyes | Patricia A. Graham, James E. Klijanowicz, Max H. Stern | 1985-02-12 |
| 4411984 | Dye precursors and their use in photographic materials and processes | — | 1983-10-25 |
| 4390606 | Color-forming para-sulfonamidodiphenylamine dye precursor and sulfonimide dye in photographic material and process | Patricia A. Graham, James E. Klijanowicz, Max H. Stern | 1983-06-28 |
| 4380666 | Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye | Patricia A. Graham, James E. Klijanowicz | 1983-04-19 |
| 4368246 | Photographic materials and processes comprising color-forming sulfonamidodiphenylamine dye precursors and corresponding phenazine dyes | Patricia A. Graham, James E. Klijanowicz | 1983-01-11 |