Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956018 | Preparation of strong and soft-textured surface coating pigments | Joachim Kranz | 1990-09-11 |
| 4298526 | Preparation of easily dispersible and deeply colored pigmentary forms | Reinhard Sappok, Fritz Guellich, Karl Roth | 1981-11-03 |
| 4256507 | Pigment formulations | Joachim Kranz, Rudolf Polster, Reinhard Sappok | 1981-03-17 |