Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5037727 | Activator solution with cold image tone-providing agent | — | 1991-08-06 |
| 5026629 | Fixing bath for black and white photographic elements | Hugh G. McGuckin, Michael G. Blount, Paul A. Schwartz, James Lyon | 1991-06-25 |
| 4965177 | Activator solution with cold image tone-providing agent | — | 1990-10-23 |
| 4346154 | Antistain agent or antistain agent precursor in photographic silver halide element | Arthur H. Herz | 1982-08-24 |