Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543086 | Squarylium dyestuffs and compostions containing same | Robert A. Sallavanti | 1996-08-06 |
| 4200752 | 4-Disubstituted amino, N-substituted naphthalimide dyestuffs | — | 1980-04-29 |