Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184414 | Process for producing ammonium-2-hydroxy-4-(methylthio)-butyrate, mixtures containing the same in liquid form and their use | Heinz Kohl | 2001-02-06 |
| 5847207 | Process for producing 2-hydroxy-4-methylthiobutyric acid (MHA) and its use as feed stuff supplement | Volker Hafner | 1998-12-08 |
| 4307037 | Process for the production of iminodiacetonitrile | Volker Hafner, Axel Kleemann | 1981-12-22 |