Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9944008 | Method for extruding plastic materials | Thomas Koenig, Michael Bierdel, Ulrich Liesenfelder, Johann Rechner | 2018-04-17 |
| 9828464 | Ultra-high purity polycarbonates having good inherent color and thermal resistance and a device and a method for producing the same | Thomas König, Jörg Kirchhoff, Michael Bierdel, Johann Rechner, Ing. Johan Vaes +3 more | 2017-11-28 |
| 9738025 | Method for extruding plastic masses | Thomas König, Michael Bierdel, Carsten Conzen, Ulrich Liesenfelder, Reiner Rudolf +1 more | 2017-08-22 |
| 9023983 | Extruder with integrated die plate and method for degasing polymer mixtures | Hanns-Ingolf Paul, Udo Wiesner, Jörg Kirchhoff, Thomas König | 2015-05-05 |
| 8497345 | Device and method for degassing solvent-containing polycarbonate solutions | Thomas König, Johan Vanden Eynde, Ing Johan Vaes, Stefaan De Vos | 2013-07-30 |
| 8383757 | Device and method for degassing solvent-containing polycarbonate solutions | Thomas König, René de Cleyn, Johan Vaes, Johan Vanden Eynde, Dirk Van Meirvenne | 2013-02-26 |
| 8074371 | Process and apparatus for removing volatile substances from highly viscous media | — | 2011-12-13 |
| 7390121 | Static mixer module | Peter Jahn, Helmut Brod | 2008-06-24 |
| 7220048 | Mixer/heat exchanger | Peter Jahn | 2007-05-22 |
| 7153929 | Copolymers, devoid of rubber, with low residual monomer content and a method and device for producing the same | Alfred Eitel, Frank Weyrich, Peter Rudolph, Hans-Jürgen Thiem, Michael König +2 more | 2006-12-26 |
| 7144981 | Process for separating volatile components from polymers | Thomas König, Ulrich Liesenfelder, Michael Bierdel, Helmut Meyer, Richard Weider +1 more | 2006-12-05 |
| 7138478 | Process for mixing polymer melts with additives | Günther Holdenried, Christian Kords, Jürgen Heuser, Thomas König | 2006-11-21 |
| 7129315 | Process for the production of polycarbonate | Jörg Kirchhoff, Thomas König, Steffen Kuhling, Dirk Meirvenne | 2006-10-31 |
| 7091302 | Process for the preparation of polycarbonate | Jörg Kirchhoff, Thomas König, Steffen Kuhling, Melanie Mothrath, Dirk Meirvenne | 2006-08-15 |
| 6863432 | Dynamic mixer | Heinrich Schuchardt | 2005-03-08 |
| 6780281 | Strand evaporator | Thomas Elsner, Jürgen Heuser, Christian Kords | 2004-08-24 |
| 6761797 | Apparatus for carrying out mass transfer processes | Frank Weyrich | 2004-07-13 |
| 6710159 | Polyamide composition and method for producing the same | Heinrich Morhenn, Dieter Göbbels, Cliff Scherer, Frank Weyrich, Konrad Triebeneck | 2004-03-23 |
| 6534619 | Method for evaporating polymer solutions of thermoplastic polymers | Thomas Elsner, Jürgen Heuser, Christian Kords | 2003-03-18 |
| 6506281 | Method for isolating polymers from solutions | Clemens Casper, Jorgen Weinschenck, Jürgen Heuser, Christian Kords, Thomas Elsner | 2003-01-14 |
| 6412975 | Static mixer | Heinrich Schuchardt | 2002-07-02 |
| 5852157 | Process for the production of polycarbonate agglomerate | Gottfried Zaby, Clemens Casper, Hugo Obermann | 1998-12-22 |
| 5830977 | Process for the isolation of partially crystalline polycarbonate powder | Claus Wulff, Gottfried Zaby, Clemens Casper, Hugo Obermann, Steffen Kuhling | 1998-11-03 |
| 5786445 | Process for drying polymeric powders and polymeric agglomerates | Claus Wulff, Gottfried Zaby, Thomas Bamberger, Hugo Obermann, Stefaan De Vos +3 more | 1998-07-28 |
| 5767224 | Two-step process for the production of thermoplastic polycarbonate | Steffen Kuhling, Klaus Schebesta, Uwe Hucks, Martin Ullrich, Heinrich Schuchardt +4 more | 1998-06-16 |