Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550199 | Process for obtaining D,L-homocystine (I) | Michael Karrenbauer, Axel Kleemann, Fritz P. Schafer | 1985-10-29 |
| 4550200 | Process for obtaining D,L-homocystine (II) | Michael Karrenbauer, Axel Kleemann, Fritz P. Schafer | 1985-10-29 |
| 4345072 | Process for the production of 5-arylidene hydantoins (B) | Axel Kleemann, Wolf-Dieter Pfeifer, Paul Scherberich | 1982-08-17 |
| 4303621 | Process for the recovery of methionine and potassium bicarbonate | Klaus Muller, Gerd Schreyer, Ferdinand Theissen | 1981-12-01 |
| 4283337 | Process for the purification of tryptophane and derivatives of tryptophane | Alfred Maierhofer, Paul Scherberich | 1981-08-11 |
| 4209461 | Process for the production of benzoyl cyanide (I) | Herbert Klenk, Alfred Maierhofer, Heribert Offermanns, Hans Wagner | 1980-06-24 |