Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264322 | Sulfonated xanthene dyes, and photographic products and processes employing these dyes | Paul Carlier, Michael P. Filosa | 1993-11-23 |
| 5187282 | Sulfonated xanthene dyes, and photographic products and processes employing these dyes | Paul Carlier, Michael P. Filosa | 1993-02-16 |