Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335226 | Adsorbent for the affinity-specific separation of macromolecular materials | Hans Bunemann | 1982-06-15 |
| 4332941 | Cyclohexanones and cyclohexenones | Rudiger Berthold | 1982-06-01 |
| 4331101 | Electrographic copying device with magnetic cylinder | Erich Steingroever | 1982-05-25 |