Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413281 | 2-(p-sulphophenyl)amino-1,3,5-triazine derivative and the salt of alkali metal thereof, a process for the preparation and their use as an auxiliary of cationic dye | — | 2002-07-02 |