Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362878 | Substituted 1,2,4-triazoles as DIR compounds and their use in photographic materials | — | 1982-12-07 |
| 4353974 | Process for the production of photographic images and photographic materials used in this process | Patrick D. P. Thomas, William E. Long | 1982-10-12 |