Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10238531 | Thermoplastic polyurethanes, use of these material for the preparation of T-frames for intrauterine systems and T-frames made out of this material | Taina Tjäder, Nina Stenroos, Christian Wamprecht | 2019-03-26 |
| 9718917 | Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyols | Christian Wamprecht, Christoph Gürtler | 2017-08-01 |
| 9593199 | Production and use of new thermoplastic polyurethane elastomers based on polyether carbonate polyols | Christian Wamprecht, Christoph Gürtler | 2017-03-14 |
| 9458277 | Homogeneous extruded articles made from thermoplastically processable polyurethanes based on polyester diols formed from succinic acid and 1,3-propanediol | Wolfgang Brauer, Yi Shen, Hartmut Nefzger | 2016-10-04 |
| 8697830 | Aliphatic, sinterable, thermoplastic polyurethane molding compositions with improved blooming behavior | Henricus Peerlings, Hartmut Nefzger, Erika Bauer, Markus Broich | 2014-04-15 |
| 6930163 | Process for the continuous preparation of thermoplastically processable polyurethanes with improved softening properties | Wolfgang Brauer, Friedemann Muller, Jurgen Winkler, Herbert Heidingsfeld, Wolfgang Rohrig +1 more | 2005-08-16 |
| 6869999 | Process for the preparation of thermoplastic, non-tacky polyurethanes | Eva Gestermann, Wolfgang Rohrig | 2005-03-22 |
| 6706807 | Aliphatic thermoplastic polyurethanes and use thereof | Henricus Peerlings, Hans-Georg Hoppe | 2004-03-16 |
| 6632866 | Aliphatic thermoplastic polyurethanes and use thereof | Henricus Peerlings, Hans-Georg Hoppe | 2003-10-14 |
| 6596820 | Light-resistant thermoplastic polyurethanes, a process for their preparation and their use | Hanns P. Muller, Horst Gruttmann, Henricus Peerlings | 2003-07-22 |
| 6559266 | Aliphatic thermoplastic polyurethanes, a process for producing them and the use thereof | Wolfgang Braeuer, Hans-Georg Wussow, Hans-Georg Hoppe, Steven C. Manning | 2003-05-06 |
| 6559267 | Mouldings of thermoplastic polyurethanes exhibiting reduced fogging | Hans-Georg Hoppe, Wolfgang Rohrig | 2003-05-06 |
| 6552153 | Thermoplastic resins having incorporated mold release agents | Friedemann Muller, Wolfgang Brauer, Hans-Georg Hoppe, Hans-Georg Wussow | 2003-04-22 |
| 6527995 | Process for preparing soft, elastic polyurethane | Hans-Georg Hoppe, Wolfgang Brauer, Jurgen Winkler, Hans-Georg Wussow | 2003-03-04 |
| 6518389 | Aliphatic thermoplastic polyurethanes, processes for their preparation and their use | Hans-Georg Hoppe, Herbert Heidingsfeld, Bernhard Schulte, Henricus Peerlings | 2003-02-11 |
| 6486243 | Thermoplastically processable polyurethane elastomers having an improved intrinsic color | Wolfgang Brauer, Hans-Georg Hoppe, Hans-Georg Wussow | 2002-11-26 |
| 6420510 | Aliphatic, low-emission thermoplastic polyurethane molding materials suitable for sintering | Hans-Georg Hoppe, Herbert Heidingsfeld, Rainer Ohlinger, Michael Kalbe | 2002-07-16 |
| 6410638 | Aliphatic, sinterable, thermoplastic polyurethane molding compositions | Hans-Georg Hoppe, Rainer Ohlinger, Jürgen Bühring | 2002-06-25 |
| 6365674 | Thermoplastic polyurethane resin | James W. Rosthauser, Jeffrey S. Wiggins | 2002-04-02 |
| 6355762 | Process for the continuous preparation of melt processable polyurethanes with improved softening behaviour | Wolfgang Brauer, Ulrich Liesenfelder, Herbert Heidingsfeld, Wolfgang Rohrig, Hans-Georg Hoppe | 2002-03-12 |
| 6166135 | Aliphatic sinterable thermoplastic polyurethane moulding compositions of reduced mechanical strength | Hans-Georg Hoppe, Rainer Ohlinger, Michael Kalbe, Hans-Hinrich Kruse | 2000-12-26 |
| 4884181 | Method and arrangement for controlling a high voltage d-c transmission system | — | 1989-11-28 |
| 4727467 | Procedure and device to operate an HVDC transmission short coupling in the event of power system faults | Franz-Wolfgang Bendl, Georg Wild | 1988-02-23 |
| 4638416 | Method and apparatus for high-voltage D.C. transmission with a bypass circuit for malfunctions | Helmut Neupauer, Georg Wild | 1987-01-20 |
| 4412171 | Circuit arrangement for damping power oscillations of synchronous generators in networks | — | 1983-10-25 |