Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225666 | Silver halide precipitation and methine dye spectral sensitization process and products thereof | Richard L. Daubendiek | 1980-09-30 |
| 4183756 | Pre-precipitation spectral sensitizing dye addition process | — | 1980-01-15 |