Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319528 | Feedstuff additive which contains D-pantothenic acid and/or its salts and a process for the preparation thereof | Michael Binder, Klaus-Erich Uffmann, Iiona Walger, Ulrich Becker, Walter Pfefferle | 2001-11-20 |
| 6238714 | Feedstuff additive which contains D-pantothenic acid and/or its salts and a process for the preparation thereof | Michael Binder, Klaus-Erich Uffmann, Iiona Walger, Ulrich Becker, Walter Pfefferle | 2001-05-29 |
| 6133000 | Fermentative preparation of amino acids | Walter Pfefferle, Hermann Lotter, Wolfgang Degener | 2000-10-17 |
| 5840358 | Process for the preparation of an animal feed supplement based on fermentation broth | Andreas Höfler, Hans Christian Alt, Claas-Jurgen Klasen, Ulrich Hertz, Lothar Morl +1 more | 1998-11-24 |
| 5770409 | Fermentative preparation of lysine with a strain of C. glutamicum | Walter Pfefferle, Hermann Lotter, Wolfgang Degener | 1998-06-23 |
| 5622710 | Animal feed additive based on fermentation broth, a process for its production and its use | Wolfram Binder, Franz-Ludwig Dahm, Ulrich Hertz, Hermann Lotter, Wolfgang Hohn +2 more | 1997-04-22 |
| 5431933 | Animal feed supplement based on a fermentation broth amino acid, a process for its production and its use | Wolfram Binder, Hermann Lotter, Herbert Tanner, Henning Holldorff, Wolfgang Leuchtenberger | 1995-07-11 |
| 4959478 | Method of producing-coarse crystalline nicotinic acid with a high degree of purity | Alexander Moller, Herbert Kuhn, Kurt Winkler | 1990-09-25 |
| 4496729 | Catalysts for the production of 2-cyanopyrazine | Wolfgang Bergstein, Axel Kleemann, Gunther Prescher, Helmut Beschke | 1985-01-29 |
| 4447612 | Catalysts for the production of 3-cyanopyridine | Helmut Beschke, Johannes Heilos | 1984-05-08 |
| 4447614 | Process for the purification of nicotinic acid amide | Helmut Beschke, Franz-Ludwig Dahm, Gunter Prescher | 1984-05-08 |
| 4447615 | Process for the purification of nicotinic acid amide I | Helmut Beschke, Franz-Ludwig Dahm, Gunter Prescher | 1984-05-08 |
| 4419272 | Catalysts for the production of 2-cyanopyrazine | Bergstein Wolfgang, Axel Kleemann, Gunther Prescher, Helmut Beschke | 1983-12-06 |
| 4332940 | Process for the production of 2,3-cycloalkenopyridines | Helmut Beschke, Heribert Offermanns | 1982-06-01 |
| 4314064 | Process for the production of nicotinamide | Helmut Beschke, Klaus Muller, Gerd Schreyer | 1982-02-02 |
| 4237299 | Process for the recovery of pyridine and 3-methylpyridine | Helmut Beschke, Franz-Ludwig Dahm, Gerd Schreyer | 1980-12-02 |
| 4217295 | Process of catalytic methanation | James V. Kennedy | 1980-08-12 |
| 4197161 | Process for the recovery of catalysts in the epoxidation and hydroxylation of olefinic compounds | Wolfgang Heim, Axel Kleemann, Heinz Kolb, Gerd Schreyer | 1980-04-08 |