Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5424445 | Alkoxylation products | Johan H. Hendrick ter Maat, Knut Oppenlaender, Michael Zirnstein, Walter Denzinger, Lothar Franz | 1995-06-13 |
| 5342561 | Thermoplastic processing of unplastifiable polymers | Hans-Josef Sterzel | 1994-08-30 |
| 5145900 | Thermoplastic materials for the production of ceramic moldings | Hans-Josef Sterzel, Johan ter Maat, Johan Ebenhoech | 1992-09-08 |