Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840551 | Method of producing L-amino acids by fermentation | Holger Werning, Harald Voss, Walter Pfefferle | 1998-11-24 |
| 5795732 | Stirred-tank reactors and method of use | Bernhard Schilling, Walter Pfefferle, Bernd Bachmann, Wolf-Dieter Deckwer | 1998-08-18 |
| 5431933 | Animal feed supplement based on a fermentation broth amino acid, a process for its production and its use | Wolfram Binder, Heinz Friedrich, Hermann Lotter, Herbert Tanner, Henning Holldorff | 1995-07-11 |
| 5416019 | Rhodococcus microorganisms that produce phenylalanine dehydroganase | Maria-Regina Kula, Werner Hummel, Horst Schutte | 1995-05-16 |
| 5219741 | Method of making L-proline using an N-acyl-L-protine acylase | Ulrich Groeger, Karlheinz Drauz | 1993-06-15 |
| 5200326 | Method for the fermentative production of L-amino acids from .alpha.-keto acids | Christian Wandrey, Rolf Wichmann, Ulrich Groeger, Manfred Kircher, Eberhard Breuker | 1993-04-06 |
| 5120652 | Substantially purified N-acyl-L-proline acylase from Comamonas testosteroni DSM 5416 and Alcaligenes denitrificans DSM 5417 | Ulrich Groeger, Karlheinz Drauz | 1992-06-09 |
| 5118619 | Method for the fermentative production of L-isoleucine from D,L-.alpha.-hydroxybutyrate | Elisabeth Scheer, Hermann Sahm, Lothar Eggeling, Manfred Kircher | 1992-06-02 |
| 5053328 | Process for the fermentative preparation of L-amino acids from .alpha.-keto carboxylic acids | Bernhard Muetze, Christian Wandrey, Toshihisa Ohshima | 1991-10-01 |
| 4877734 | Microbiologically produced .alpha.-acetylamino cinnamic acid acylase, method of its production and its use | Maria-Regina Kula, Werner Hummel, Horst Schutte | 1989-10-31 |
| 4827029 | Process for the isolation of L-amino acids | Axel Kleemann, Kurt Klostermann, Rudi E. Moerck, Michael Karrenbauer | 1989-05-02 |
| 4824781 | Microbiologically produced d(-)-mandelate-dehydrogenase process for obtaining it and its use | Werner Hummel, Horst Schutte, Maria-Regina Kula | 1989-04-25 |
| 4782020 | Process for the continuous enzymatic conversion of alpha-hydrocarboxylic acids into the corresponding optically active alpha-aminocarboxylic acids | Christian Wandrey, Maria-Regina Kula | 1988-11-01 |
| 4772749 | Process for the recovery of malic acid | Michael Karrenbauer, Axel Kleemann, Rudi E. Moerck | 1988-09-20 |
| 4609623 | Microbiologically produced D-2-hydroxy-4-methylpentanoic acid dehydrogenase, process for its production and its use | Werner Hummel, Maria-Regina Kula, Horst Schutte | 1986-09-02 |
| 4590161 | Microbiologically produced L-phenylalanine-dehydrogenase, process for its recovery and use | Maria-Regina Kula, Werner Hummel, Horst Schutte | 1986-05-20 |
| 4530903 | L-2-hydroxy-4-methylpentanoic acid-dehydrogenase, process for obtaining it and its use | Maria-Regina Kula, Werner Hummel, Horst Schutte | 1985-07-23 |
| 4390719 | 1-Methyl-2-chlorocyclopropanecarboxylic acid and its ester | Werner Schwarze, Axel Kleemann | 1983-06-28 |
| 4326031 | Process for the continuous enzymatic change of water soluble .alpha.-ketocarboxylic acids into the corresponding .alpha.-hydroxycarboxylic acids | Christian Wandrey, Rolf Wichmann, Maria-Regina Kula, Andreas Buckmann | 1982-04-20 |
| 4313894 | Process for the production of 3-cyanopropionamide | Axel Kleemann, Jurgen Martens, Horst Weigel | 1982-02-02 |
| 4304858 | Process for the continuous enzymatic change of water soluble .alpha.-ketocarboxylic acids into the corresponding amino acids | Christian Wandrey, Rolf Wichmann, Maria-Regina Kula, Andreas Buckmann | 1981-12-08 |