Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7235127 | Reduction- and oxidation-stable iron oxide black pigments having high colour strength for colouring plastics and building materials, their preparation and their use | Herbert Kunstmann, Carsten Rosenhahn, Hans-Josef Moringen | 2007-06-26 |
| 6951637 | Method and device for producing globular grains of high-puroty silicon having a diameter of between 50 μm and 300 μm and use of the same | Hans-Dieter Block, Peter Schreckenberg | 2005-10-04 |