Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298377 | Photographic element with 2-equivalent magenta dye-forming coupler and filter dye | — | 1994-03-29 |
| 5283340 | Photographic material and process comprising wash-out naphtholic coupler | William J. Begley, Teh-Hsuan Chen, Hans G. Ling, John W. Harder | 1994-02-01 |