Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4469876 | Process for the production of L-proline | Karlheinz Drauz, Axel Kleemann, Jurgen Martens, Franz Effenberger | 1984-09-04 |
| 4415738 | Process for the production thiazolines-(3) | Jurgen Martens, Horst Bethge, Axel Kleemann | 1983-11-15 |
| 4345072 | Process for the production of 5-arylidene hydantoins (B) | Axel Kleemann, Theodor Lussling, Wolf-Dieter Pfeifer | 1982-08-17 |
| 4283337 | Process for the purification of tryptophane and derivatives of tryptophane | Theodor Lussling, Alfred Maierhofer | 1981-08-11 |
| 4254035 | Process for the production of 2-acetamidocinnamic acid | Axel Kleemann, Horst Weigel | 1981-03-03 |
| 4245117 | Process for the recovery of pure L-cystine | — | 1981-01-13 |
| 4228082 | N-Substituted .alpha.-ketocarboxylic acid amides | Axel Kleemann, Herbert Klenk, Heribert Offermanns, Werner Schwarze | 1980-10-14 |
| 4224226 | Process for the production of N-substituted .alpha.-ketocarboxylic acid amides | Axel Kleemann, Herbert Klenk, Heribert Offermanns, Werner Schwarze | 1980-09-23 |