Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859574 | Process for stabilizing photographic elements using a solution comprising a water-soluble N-methylol compound and a buffering agent | — | 1989-08-22 |
| 4414307 | Method and composition for preparation of photographic color developing solutions | Jon A. Kapecki, Sheridan E. Vincent | 1983-11-08 |