Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329352 | Piperidine derivatives of 3-hydroxy-thiophene-2-carboxylic acid esters and pharmaceutical formulations containing these compounds | Fritz-Frieder Frickel, Gerda von Philipsborn, Dieter Lenke | 1982-05-11 |
| 4315939 | Piperidine derivatives of 4,5-dialkyl-3-hydroxy-pyrrole-2-carboxylic acid esters, pharmaceutical formulations containing these compounds and use in treating cardiac arrhythmias | Fritz-Frieder Frickel, Albrecht Franke, Gerda von Philipsborn, Dieter Lenke | 1982-02-16 |