Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336377 | Basic dioxazine compounds | Pierre Galafassi | 1982-06-22 |
| 4328159 | Anthraquinone compounds and mixtures thereof | — | 1982-05-04 |
| 4309180 | Anthraquinone compounds and the production and use thereof | Roger Lacroix, Janos Vincze | 1982-01-05 |