Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500125 | Process for recycling photographic wash water | Richard R. Horn, Christine K. Gaskell, Susan R. Krauss | 1996-03-19 |
| 5264323 | Photographic developing solution and use thereof in the high contrast development of nucleated photographic elements | Paul A. Zielinski, Donald L. Kerr | 1993-11-23 |
| 5236816 | Photographic developing solution and use thereof in the high contrast development of nucleated photographic elements | Paul A. Zielinski, Donald L. Kerr | 1993-08-17 |
| 4264716 | Photographic color developer compositions | Sheridan E. Vincent | 1981-04-28 |