Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353974 | Process for the production of photographic images and photographic materials used in this process | Terence C. Webb, Patrick D. P. Thomas | 1982-10-12 |
| 4335245 | Process for preparing certain pyridine 2,3,6-triones | — | 1982-06-15 |