Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353833 | Cationic dyes | Horst Bruder, Hans-Juergen Degen, Klaus Grychtol, Udo Mayer | 1982-10-12 |
| 4336201 | Preparation of electrically conductive carotenoids | Herbert Naarmann, Joachim Paust, Klaus Penzien | 1982-06-22 |