Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7795357 | Polyoxymethylene multi-block copolymers, their production and use | Dirk Zierer, Klaus Kurz, Karl-Friedrich Muck, Holger Schmalz | 2010-09-14 |
| 7745548 | Polyoxymethylene homopolymers and copolymers, and production and use thereof | Dirk Zierer, Klaus Kurz | 2010-06-29 |
| 6753406 | Process and means for reducing formaldehyde emission during the processing of thermoplastics with admixed polyacetal | Stefan Wulf, Roger O. Knapp | 2004-06-22 |
| 6358578 | Method for the production of polyester with mixed catalysts | Brigitta Otto, Ulrich Thiele | 2002-03-19 |