Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7868053 | Expandable polystyrene granulates with a bi- or multi-modal molecular-weight distribution | Klaus Hahn, Joachim Ruch, Markus Allmendinger, Bernhard Schmied, Jan Holoch +1 more | 2011-01-11 |
| 7776244 | Method for producing expandable polystyrene | Franz-Josef Dietzen, Bernhard Schmied, Martin Laun, Klaus Hahn, Joachim Ruch +3 more | 2010-08-17 |
| 7045082 | Production of foam webs from high-temperature-resistant polysulfones or polyether sulfones | Franz-Josef Dietzen, Dietrich Scherzer, Joachim Queisser, Swen Ruck, Wolfgang Kratzmuller | 2006-05-16 |
| 6727291 | Preparation of expandable propylene polymer beads | Christian Maletzko, Klaus Hahn, Isidor de Grave, Franz-Josef Dietzen | 2004-04-27 |
| 6703431 | Flexible open-celled microcellular polymer foams | Franz-Josef Dietzen, Hans-Joachim Hähnle, Serguei Evsioukov, Gunnar Schornick, Rüdiger Funk | 2004-03-09 |
| 6521672 | Open-cell particulate foams | Guiscard Glück, Franz-Josef Dietzen, Klaus Hahn | 2003-02-18 |
| 6498232 | Method for coagulating plastics dispersions using a device with shearing elements | Norbert Güntherberg, Jurgen Hofmann, Alexander Ludwig, Hartmut Heinen, Peter Barghoorn +4 more | 2002-12-24 |
| 6476089 | Expandable olefin bead polymers | Christian Maletzko, Klaus Hahn, Isidor de Grave, Franz-Josef Dietzen | 2002-11-05 |
| 6448300 | Expandable olefin bead polymers | Christian Maletzko, Klaus Hahn, Isidor de Grave, Franz-Josef Dietzen | 2002-09-10 |
| 6444714 | Method for producing expandable polystyrene particles | Guiscard Glück, Franz-Josef Dietzen, Klaus Hahn | 2002-09-03 |
| 6420442 | Flame-proofed polystyrene foamed materials | Franz-Josef Dietzen, Guiscard Glück, Gerhard Turznik, Gerhard Alicke, Klaus Hahn +2 more | 2002-07-16 |
| 5744505 | Prefoamed polyolefin beads produced by extrusion | Joachim Fischer, Franz-Josef Dietzen, Isidoor De Grave, Jens Rieger | 1998-04-28 |
| 5091126 | Preparation of expandable granules, and the production of foams therefrom | Heinz Weber, Franz-Josef Dietzen, Eckhard Nintz, Hans D. Zettler | 1992-02-25 |
| 4940629 | Fiber reinforced thermoplastic integral skin foams and manufacture thereof | Heinz Weber, Gerhard Bleckmann, Gerhard Dembek, Gerhard Heinz, Lothar Schlemmer | 1990-07-10 |