Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5258511 | Pyrazoloazepinones and methods of using such pyrazoloazepinones to dye synthetic fibers and to pigment pastes, paints, printing inks, colored paper and colored macromolecular substances | — | 1993-11-02 |
| 5241068 | Heterocyclic compounds | Christina Diblitz | 1993-08-31 |
| 5164496 | Tricycle pyrazine dyes | — | 1992-11-17 |
| 5097027 | Heterocyclic compounds | — | 1992-03-17 |
| 5095103 | Polycyclic aromatic azacyclic compounds useful in dyeing | — | 1992-03-10 |