Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278576 | Intermediate receiver opaque support | Linda A. Kaszczuk, Mitchell S. Burberry, Robert G. Spahn | 1994-01-11 |
| 4536598 | Color-forming carboxamidonaphthalene dye precursor and carboximide dye in photographic material and process | Csaba A. Kovacs | 1985-08-20 |
| 4507479 | Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye | Rolf S. Gabrielsen, Patricia A. Graham | 1985-03-26 |
| 4499304 | Color-forming sulfonamidodiphenylamines and corresponding sulfonimide dyes | Rolf S. Gabrielsen, Patricia A. Graham, Max H. Stern | 1985-02-12 |
| 4423126 | Color-forming carboxamidonaphthalene dye precursor and carboximide dye in photographic material and process | Csaba A. Kovacs | 1983-12-27 |
| 4390606 | Color-forming para-sulfonamidodiphenylamine dye precursor and sulfonimide dye in photographic material and process | Rolf S. Gabrielsen, Patricia A. Graham, Max H. Stern | 1983-06-28 |
| 4380666 | Color-forming sulfonamidodiphenylamine dye precursor that produces phenazine dye | Rolf S. Gabrielsen, Patricia A. Graham | 1983-04-19 |
| 4368246 | Photographic materials and processes comprising color-forming sulfonamidodiphenylamine dye precursors and corresponding phenazine dyes | Rolf S. Gabrielsen, Patricia A. Graham | 1983-01-11 |