Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354826 | Polymeric magenta coupler and color photographic recording material that contains this polymeric magenta coupler | Gunter Helling, Ralf Weimann | 1994-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354826 | Polymeric magenta coupler and color photographic recording material that contains this polymeric magenta coupler | Gunter Helling, Ralf Weimann | 1994-10-11 |