Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4186019 | Color photographic material containing novel 2-equivalent yellow couplers | Friedrich-Wilhelm Kunitz | 1980-01-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4186019 | Color photographic material containing novel 2-equivalent yellow couplers | Friedrich-Wilhelm Kunitz | 1980-01-29 |