Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181746 | Sealing sleeve and its use | Joachim Hessel, Rolf Eckart Koch | 1993-01-26 |
| 4528124 | Aliphatic dicarboxylic acid esters as scents | Gerd Mansfeld, Hans-Georg Reindl | 1985-07-09 |
| 4193934 | Nitriles with odorant properties | Kurt Bauer, Ulli Harder | 1980-03-18 |