Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6028192 | Process for the preparation of diacylimides | Johannes Becherer, Karl-Heinz Keil, Bernhard Mees | 2000-02-22 |
| 5902884 | Process for preparing N-alkylcarbazoles | Wolfgang Bauer, Gert Nagl, Leonhard Unverdorben | 1999-05-11 |
| 5891988 | Process for the oxidation of polyarlene compounds containing thioether groups | Helmut Scheckenbach, Stefan Disch | 1999-04-06 |
| 5523471 | Process for the preparation of ether-sulphonates | Fritz Engelhardt, Ralf Zerrer, Dirk Buhring | 1996-06-04 |
| 5508467 | Process for the preparation of hydroxyalkylaminonitrobenzene derivatives | Wolfgang Bauer, Andreas Bittner | 1996-04-16 |
| 5290947 | Process for the preparation of pyrrole derivates | Gerhard Zoller, Eckard Kujath, Manfred Schrod | 1994-03-01 |