Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4368249 | Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino)phenol magenta dye-releasing compounds and precursors thereof | Richard B. Anderson | 1983-01-11 |
| 4368153 | Photographic products and processes employing novel nondiffusible 2-(2-pyridylazo)-4,5-bis(tertiary amino)phenol black dye-releasing compounds and precursors thereof | — | 1983-01-11 |
| 4368154 | Photographic products and processes employing novel nondiffusible bridged azoaminophenol magenta dye-releasing compounds and precursors thereof | Richard B. Anderson | 1983-01-11 |
| 4368248 | Photographic products and processes employing novel nondiffusible 2-(2-pyridylazo)-4,5-bis(tertiary amino)phenol black dye-releasing compounds and precursors thereof | — | 1983-01-11 |
| 4367174 | Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino)phenol magenta dye-releasing compounds and precursors thereof | Richard B. Anderson | 1983-01-04 |
| 4366218 | Photographic products and processes employing novel nondiffusible bridged azdaminophenol magenta dye-releasing compounds and precursors thereof | Richard B. Anderson | 1982-12-28 |
| 4357410 | Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino) phenol magenta dye-releasing compounds and precursors thereof | Richard B. Anderson | 1982-11-02 |
| 4357411 | Photographic products and processes employing novel nondiffusible 2-(2-pyridylazo)-4,5-bis(tertiary amino)phenol black dye-releasing compounds and precursors thereof | — | 1982-11-02 |
| 4357412 | Photographic products and processes employing novel nondiffusible bridged azoaminophenol magenta dye-releasing compounds and precursors thereof | Richard B. Anderson | 1982-11-02 |