Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706934 | Method for producing 2,3,4,5-tetrachlorobenzotrifluoride | Franz-Josef Mais | 2004-03-16 |
| 6255542 | Process for preparing 2-chloro-4-nitroalkylbenzene | Franz-Josef Mais | 2001-07-03 |
| 5436377 | Process for isolating M-dichlorobenzene from mixtures of dichlorobenzene isomers | Michael Pies, Kai Rohlk, Helmut Fiege | 1995-07-25 |
| D262274 | Plant stand | — | 1981-12-15 |
| 4241538 | Device for automatically watering plant containers | — | 1980-12-30 |