Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8530364 | Material mixture for producing a fireproof material, fireproof molded body and method for the manufacturing thereof | Holger Grote, Wolfgang Kollenberg, Christian Nikasch | 2013-09-10 |
| 7700034 | Slip containing zirconium dioxide and aluminum oxide and shaped body obtainable therefrom | Monika Oswald, Klaus Deller, Wolfgang Kollenberg | 2010-04-20 |