Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453109 | Method for the preparation of a hardening salt in piece form and product | Eberhard Mueller, Matthias Kremer, Georg Wahl | 1995-09-26 |
| 4542240 | Process for the production of guanidine hydrochloride | Langer Manfred, Klaus Huthmacher | 1985-09-17 |
| 4390706 | Process for the recovery of pure nitriles | Axel Kleemann | 1983-06-28 |
| 4369322 | Process for the production of substituted acetonitriles | Axel Kleemann | 1983-01-18 |
| 4351778 | Process for the recovery of malonodinitrile | Axel Kleemann | 1982-09-28 |
| 4222956 | Process for the production of cyanocarboxylic acids | Axel Kleemann, Detlef Arnoldi | 1980-09-16 |