Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622818 | Color photographic elements containing yellow colored magenta dye forming masking couplers | Daniel L. Kapp, Janet N. Younathan, Robert J. Ross | 1997-04-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622818 | Color photographic elements containing yellow colored magenta dye forming masking couplers | Daniel L. Kapp, Janet N. Younathan, Robert J. Ross | 1997-04-22 |