Issued Patents All Time
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, Heidrun Engler, Kurt H. Ahrens | 1989-05-23 |
| 4757080 | 1,4-dihydropyridine derivatives | Helmut Schickaneder, Peter Morsdorf, Armin Buschauer, Walter Schunack, Heidrun Engler +1 more | 1988-07-12 |