Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34672 | Pharmaceutical composition containing a stable modification of torasemide | Gustav Lettenbauer | 1994-07-26 |
| RE34580 | Process for the preparation of a stable modification of torasemide | Gustav Lettenbauer | 1994-04-05 |
| 4845030 | Use of aniline derivates as coupling components in oxidative color formation reactions | Hans-Georg Batz, Rupert Herrmann, Helmut Schlumberger | 1989-07-04 |
| 4822807 | Pharmaceutical composition containing a stable modification of torasemide | Gustav Lettenbauer | 1989-04-18 |
| 4743693 | Process for the preparation of a stable modification of torasemide | Gustav Lettenbauer | 1988-05-10 |