Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8418731 | System for filling and emptying transport containers with plastics granular material | Reiner Horl, Uli Franz, Raimund Zimmermann, Norbert Schniesko | 2013-04-16 |
| 8313268 | Method for filling and emptying transport containers with plastics granular material | Reiner Horl, Uli Franz, Raimund Zimmermann, Norbert Schniesko | 2012-11-20 |
| 8034269 | Process for the compounding of polymers | Christoph Schwemler, Martin Lüdeke, Reiner Rudolf | 2011-10-11 |
| 7847051 | Phase boundary processes for preparing polycarbonates | Wolfgang Ebert, Rolf Bachmann, Lars Obendorf, Johan Vanden Eynde, Bert Ruytinx +1 more | 2010-12-07 |
| 7138478 | Process for mixing polymer melts with additives | Klemens Kohlgrüber, Günther Holdenried, Jürgen Heuser, Thomas König | 2006-11-21 |
| 7071284 | Process for the preparation of polycarbonates | Hermann Kauth, Jürgen Heuser | 2006-07-04 |
| 6930202 | Phosgene having low content of carbon tetrachloride | Jürgen Heuser, Hermann Kauth | 2005-08-16 |
| 6811294 | Device and method for degassing plastics | Thomas Elsner, Jürgen Heuser | 2004-11-02 |
| 6797837 | Process for the preparation of stabilized polycarbonate | Jürgen Heuser, Antonio Ortiz | 2004-09-28 |
| 6780281 | Strand evaporator | Thomas Elsner, Jürgen Heuser, Klemens Kohlgrüber | 2004-08-24 |
| 6720406 | High-purity polymer granules and method for the production thereof | Thomas Elsner, Jürgen Heuser, Steffen Kuhling, Paul Viroux | 2004-04-13 |
| 6627040 | Device and method for removing volatile components from polymer solutions | Thomas Elsner, Jürgen Heuser | 2003-09-30 |
| 6620906 | Method for the production of highly pure polycarbonate and ultrapure polycarbonate | Thomas Elsner, Jürgen Heuser | 2003-09-16 |
| 6613868 | Process for producing polycarbonates | Hermann Kauth, Jürgen Heuser | 2003-09-02 |
| 6551538 | Vacuole-free polymer granulates | Thomas Elsner, Jürgen Heuser | 2003-04-22 |
| 6545122 | Method and device for evaporating polymer solutions of thermoplastic polymers, and a polycarbonate which can be obtained by evaporation | Thomas Elsner, Jürgen Heuser | 2003-04-08 |
| 6534619 | Method for evaporating polymer solutions of thermoplastic polymers | Thomas Elsner, Jürgen Heuser, Klemens Kohlgrüber | 2003-03-18 |
| 6506281 | Method for isolating polymers from solutions | Clemens Casper, Jorgen Weinschenck, Klemens Kohlgrüber, Jürgen Heuser, Thomas Elsner | 2003-01-14 |
| 6485607 | Methods for removing volatile components from polymer solutions | Thomas Elsner, Jürgen Heuser | 2002-11-26 |
| 6458920 | Purification of solutions containing polycarbonate | Richard Baxendell, Lora Rand, Jürgen Heuser | 2002-10-01 |
| 6395864 | Polycarbonates with a low yellowness index | Steffen Kuhling, Rolf Lanze, Michael Prein, Rainer Neumann, Hermann Kauth +3 more | 2002-05-28 |
| 4404370 | Purification of cellulose and starch ethers with counter current washing | Claus-Rudiger Bernert, Volker Hartwig, Detmar Redeker | 1983-09-13 |
| 4398024 | Process for the purification of cellulose and starch ethers | Claus-Rudiger Bernert, Detmar Redeker | 1983-08-09 |