Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5733658 | Luster pigments based on reduced titania-coated silicate-based platelets | Raimund Schmid, Claus Kaliba, Norbert Mronga, Werner Ostertag, Helmut Schmidt +2 more | 1998-03-31 |
| 5624487 | Preparation of bluish luster pigments | Helmut Schmidt, Werner Ostertag, Hermann Bidlingmaier, Norbert Mronga, Juan Antonio Gonzalez Gomez +2 more | 1997-04-29 |