Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364467 | Luster pigments based on multiply coated plateletlike metalic substrates | Norbert Mronga | 1994-11-15 |
| 5352286 | Gas-phase passivation of metal pigments | Norbert Mronga, Juan Antonio Gonzalez Gomez | 1994-10-04 |
| 5277711 | Mixtures useful as luster pigments | Helmut Schmidt, Werner Ostertag, Norbert Mronga | 1994-01-11 |