Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362561 | Method for the smelting of material such as ore concentrates | Gerhard Melcher | 1982-12-07 |
| 4358311 | Method and apparatus for the smelting of material such as ore concentrates | Gerhard Melcher | 1982-11-09 |
| 4322552 | Process for the production of 4-aminobutyramide hydrochloride | Axel Kleemann, Jurgen Martens | 1982-03-30 |
| 4313894 | Process for the production of 3-cyanopropionamide | Axel Kleemann, Wolfgang Leuchtenberger, Jurgen Martens | 1982-02-02 |