Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833141 | 4-[4-[[2-(halophenyl)-2-[1H-tr:azol(or diazol)-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-piperazine-1-carbi mic acids having antimycotic activity | Helmut Schickaneder, Rolf Herter, Hartmut Vergin, Heidrun Engler | 1989-05-23 |
| 4816455 | Crystalline, anhydrous sigma-form of 2-(4-(2-furoyl)-(2-piperazin)-1-yl)-4-amino-6,7-dimethoxy-quinazoline hydrochloride and a process for its preparation | Helmut Schickaneder, Ingomar Grafe | 1989-03-28 |