Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337359 | Preparation of dimethyl polysulphides | Hermann Arold, Siegbert Humburger, Helmut Porkert | 1982-06-29 |
| 4334073 | Process for the preparation of alpha-hydroxycarboxylic acid amide compounds | — | 1982-06-08 |