Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643995 | Analgesic pyridine-2-ethers or pyridine-2-thioethers having a nitrogen-containing cycloaliphatic ring | Jurgen Engel, Bernd Nickel, Klaus Thiemer, Gerhard Scheffler | 1987-02-17 |
| 4547505 | N-Phenyl-N-'-cycloalkylalkanoylpiperazine useful as analgetics and process for its production | Gerhard Oepen, Jurgen Engel, Klaus Thiemer | 1985-10-15 |
| 4335126 | 1-[3-(3,4,5-Trimethoxyphenoxy)-2-hydroxy-propyl]-4- aryl-piperazine-derivatives having pharmaceutical activity | Axel Kleemann, Klaus Thiemer, Jurgen Engel | 1982-06-15 |