Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366218 | Photographic products and processes employing novel nondiffusible bridged azdaminophenol magenta dye-releasing compounds and precursors thereof | Norman W. Kalenda | 1982-12-28 |
| 4357410 | Photographic products and processes employing novel nondiffusible pyridylazo(dialkylamino) phenol magenta dye-releasing compounds and precursors thereof | Norman W. Kalenda | 1982-11-02 |
| 4357412 | Photographic products and processes employing novel nondiffusible bridged azoaminophenol magenta dye-releasing compounds and precursors thereof | Norman W. Kalenda | 1982-11-02 |