Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376519 | Photographic material containing a coupler composition comprising magenta coupler, phenolic solvent, and at least one aniline or amine | Stephen P. Singer | 1994-12-27 |
| 5350667 | Photographic elements containing magenta couplers and process for using same | Stephen P. Singer, Bernard A. Clark, Paul L. Stanley | 1994-09-27 |
| 5298368 | Photographic coupler compositions and methods for reducing continued coupling | Edward Schofield, Stephen P. Singer | 1994-03-29 |