Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345017 | Photographic products and processes with a pH sensitive xanthene light screening dye | James W. Foley | 1982-08-17 |
| 4311847 | Xanthene compounds | James W. Foley | 1982-01-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345017 | Photographic products and processes with a pH sensitive xanthene light screening dye | James W. Foley | 1982-08-17 |
| 4311847 | Xanthene compounds | James W. Foley | 1982-01-19 |