Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8980973 | Siloxane compounds containing composition, method of production and use thereof | Peter U. Osswald, Hyung-Min Shim, Johann Fetz, Joachim W. Zech | 2015-03-17 |
| 8921475 | Cationically hardenable dental composition, process of production and use thereof | Joachim W. Zech, Thomas Klettke, Sebastian Zeller, Hendrik Grupp | 2014-12-30 |
| 8415266 | Catalyst constituent | Gunther Eckhardt, Erich Wanek | 2013-04-09 |
| 8007579 | Polyether-based preparations and use thereof | Thomas Klettke, Hendrik Grupp | 2011-08-30 |