Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356123 | Sparingly soluble isoinodoline colorants | — | 1982-10-26 |
| 4352932 | Isoindoline colorants | Reinhard Kemper, Ernst Schefczik | 1982-10-05 |
| 4340735 | Isoindoline colorants | Reinhard Kemper | 1982-07-20 |
| 4316023 | Isoindoline colorants | Georg Henning | 1982-02-16 |
| 4311527 | Isoindoline colorants | — | 1982-01-19 |