Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350667 | Photographic elements containing magenta couplers and process for using same | Stephen P. Singer, Paul B. Merkel, Bernard A. Clark | 1994-09-27 |
| 5284739 | Photographic silver halide color material having incorporated therein a ballasted heterocyclic-sulphonhydrazide color developing agent | David Clarke, John D. Goddard, Nigel E. Milner | 1994-02-08 |