Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360459 | Sulphur dyestuffs of the carbazole series | Wolf Weidemuller | 1982-11-23 |
| 4328326 | Melamine resins: process for their manufacture and the compression moulding compositions produced from the melamine resins | Alfons Wolf | 1982-05-04 |
| 4320060 | Process for the preparation of derivatives of 3-(4-hydroxy-anilino)carbazole | Friedrich Engelhardt, Herbert Wille, Wolf Weidemuller, Artur Meyer | 1982-03-16 |