Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5578427 | Container having photographic conditioning solution concentrate | Charles M. Darmon, Rosa P. Sauter, Charles F. Leith | 1996-11-26 |
| 5552264 | Photographic conditioning solution concentrate containing bleach accelerator and formaldehyde precursor and method of use | Charles M. Darmon, Rosa P. Sauter, Charles F. Leith | 1996-09-03 |
| 5037725 | Process for stabilizing photographic elements | Charles M. Darmon, William G. Henry, Paul A. Schwartz | 1991-08-06 |
| 4975356 | Bleach-accelerating compositions containing a dye-stabilizing agent and use thereof in photographic color processing | Paul A. Schwartz | 1990-12-04 |
| 4960682 | Bleaching compositions containing a dye-stabilizing agent and use thereof in photographic color processing | Paul A. Schwartz | 1990-10-02 |
| 4921779 | Bleach-accelerating compositions containing a dye-stabilizing agent and use thereof in photographic color processing | Paul A. Schwartz | 1990-05-01 |