Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404390 | Mesoionic 1,2,4-triazolium silver halide stabilizer precursors | Henry W. Altland | 1983-09-13 |
| 4351896 | Mesoionic silver halide stabilizer precursor and use in a heat developable and heat stabilizable photographic silver halide material and process | Henry W. Altland | 1982-09-28 |
| 4207392 | Heat developable and stabilizable photographic materials and process | Lawrence R. Morrow | 1980-06-10 |