Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356324 | Optically active 1,2-bis-(diphenylphosphine)-compounds | Wolfgang Bergstein, Axel Kleemann | 1982-10-26 |
| 4322552 | Process for the production of 4-aminobutyramide hydrochloride | Axel Kleemann, Horst Weigel | 1982-03-30 |
| 4313894 | Process for the production of 3-cyanopropionamide | Axel Kleemann, Wolfgang Leuchtenberger, Horst Weigel | 1982-02-02 |