Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9828462 | Preparation of siloxane-containing block copolycarbonates by means of reactive extrusion | Alexander Meyer, Klaus Horn, Reiner Rudolf, Ulrich Liesenfelder | 2017-11-28 |
| 9828464 | Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the same | Jörg Kirchhoff, Michael Bierdel, Klemens Kohlgrüber, Johann Rechner, Ing. Johan Vaes +3 more | 2017-11-28 |
| 9808978 | Screw elements with reduced energy input during the build-up of pressure | Michael Bierdel, Ulrich Liesenfelder | 2017-11-07 |
| 9738025 | Method for extruding plastic masses | Michael Bierdel, Carsten Conzen, Ulrich Liesenfelder, Klemens Kohlgrüber, Reiner Rudolf +1 more | 2017-08-22 |
| 9688002 | Screw elements with improved dispersing action and low energy input | Michael Bierdel, Ulrich Liesenfelder | 2017-06-27 |