Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839262 | Bleach-accelerating compositions comprising sorbitan ester compounds and use thereof in photographic color processing | — | 1989-06-13 |
PS
Paul A. Schwartz
Overall (1989): #70,498 of 140,708Top 55%
1
Patents 1989