Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8906407 | Protected active compound formulations of amino acids and process for their preparation | Winfried Heimbeck, Dieter Greissinger, Wolfgang Moese, Wolfgang Polzer, Nongyuan Shi-Muenzenberg +1 more | 2014-12-09 |
| 7148379 | Preparation of 2-hydroxy-4-methylthiobutyric acid | Alexander Moller, Harald Heinzel, Volker Hafner | 2006-12-12 |
| 6287627 | Method for producing pourable methionine salt based animal food supplement and the granulate thus obtained | Wolfram Binder, Heidemarie Kniesel, Martin Körfer | 2001-09-11 |
| 6146612 | Method for recovering sulfuric acid from sulfate salts | Hans Joachim Hasselbach, Klaus Huthmacher, Volker Hafner, Harald Heinzel | 2000-11-14 |
| 6140536 | Process for obtaining 2-hydroxy-4-methylthiobutyric acid (MHA) | Hans Joachim Hasselbach, Klaus Huthmacher, Volker Hafner, Harald Heinzel, Barbara Jäger | 2000-10-31 |
| 5976609 | Process for recovering 2-hydroxy-4-methylthiobutyric acid (MHA), MHA and its use | Klaus Huthmacher, Herbert Tanner, Volker Hafner, Harald Heinzel | 1999-11-02 |
| 5672745 | Method for the continuous preparation of methionine or methionine derivatives | Klaus Huthmacher, Stephan Rautenberg, Heinrich Petsch, Horst Weigel | 1997-09-30 |
| 5116872 | Microbicidal compositions | Peter Ackermann, Hanspeter Fischer, Rolf Vogel, Karlheinz Drauz, Hans-Jochen Hasselbach +3 more | 1992-05-26 |