Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360520 | 1,4-Dihydropyridazine compounds, and their medicinal use | Gerhard Franckowiak, Friedrich Bossert, Arend Heise, Stanislav Kazda, Kurt Stoepel +2 more | 1982-11-23 |
| 4348395 | 1,4-Dihydropyridazine compounds | Gerhard Franckowiak, Friedrich Bossert, Arend Heise, Stanislav Kazda, Kurt Stoepel +2 more | 1982-09-07 |
| 4309389 | Process for the recovery of hydrofluoric acid and depositable residues during treatment of niobium- and/or tantalum-containing raw materials | — | 1982-01-05 |