Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663309 | Diazo dyes having a phenylene group as the middle component and a naphthalene group as the terminal diazo component | — | 1997-09-02 |
| 5644040 | Azo dyes having two monoazo-chromophores bound to a halotriazinyl radical processes for their preparation and their use | — | 1997-07-01 |