Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10232556 | Method for producing multi-layered thermoplastic plates by means of thermal welding of different plates | Eckhard Neufeld, Carsten SANDNER, Tim DIEHLMANN, Dietrich Scherzer | 2019-03-19 |
| 10000014 | Method for producing thermoplastic foam panels by means of at least two heating elements offset in parallel with each other | Dietrich Scherzer, Tim DIEHLMANN, Carsten SANDNER, Herbert Schall | 2018-06-19 |
| 7868053 | Expandable polystyrene granulates with a bi- or multi-modal molecular-weight distribution | Klaus Hahn, Gerd Ehrmann, Joachim Ruch, Markus Allmendinger, Bernhard Schmied +1 more | 2011-01-11 |
| 7776244 | Method for producing expandable polystyrene | Gerd Ehrmann, Bernhard Schmied, Martin Laun, Klaus Hahn, Joachim Ruch +3 more | 2010-08-17 |
| 7655705 | Open-cell foam composed of high-melting point plastics | Dietrich Scherzer, Hanns-Jörg Krautschneider | 2010-02-02 |
| 7045082 | Production of foam webs from high-temperature-resistant polysulfones or polyether sulfones | Dietrich Scherzer, Joachim Queisser, Swen Ruck, Gerd Ehrmann, Wolfgang Kratzmuller | 2006-05-16 |
| 6727291 | Preparation of expandable propylene polymer beads | Christian Maletzko, Klaus Hahn, Isidor de Grave, Gerd Ehrmann | 2004-04-27 |
| 6703431 | Flexible open-celled microcellular polymer foams | Hans-Joachim Hähnle, Serguei Evsioukov, Gunnar Schornick, Gerd Ehrmann, Rüdiger Funk | 2004-03-09 |
| 6521672 | Open-cell particulate foams | Guiscard Glück, Klaus Hahn, Gerd Ehrmann | 2003-02-18 |
| 6476089 | Expandable olefin bead polymers | Christian Maletzko, Klaus Hahn, Isidor de Grave, Gerd Ehrmann | 2002-11-05 |
| 6448300 | Expandable olefin bead polymers | Christian Maletzko, Klaus Hahn, Isidor de Grave, Gerd Ehrmann | 2002-09-10 |
| 6444714 | Method for producing expandable polystyrene particles | Guiscard Glück, Klaus Hahn, Gerd Ehrmann | 2002-09-03 |
| 6420442 | Flame-proofed polystyrene foamed materials | Guiscard Glück, Gerd Ehrmann, Gerhard Turznik, Gerhard Alicke, Klaus Hahn +2 more | 2002-07-16 |
| 5744505 | Prefoamed polyolefin beads produced by extrusion | Joachim Fischer, Gerd Ehrmann, Isidoor De Grave, Jens Rieger | 1998-04-28 |
| 5576094 | Foam boards produced using halogen-free blowing agents | Julien N. R. Callens, Alfons J. S. van Biesen, Bernardo Wolff, Gerhard Alicke, Reinhold Weber +1 more | 1996-11-19 |
| 5453454 | Production of foam boards of high compressive strength from styrene polymers | Gerhard Alicke, Manfred Weilbacher, Bernardo Wolff, Hartmut Heinen, Reinhold Weber +1 more | 1995-09-26 |
| 5091126 | Preparation of expandable granules, and the production of foams therefrom | Heinz Weber, Gerd Ehrmann, Eckhard Nintz, Hans D. Zettler | 1992-02-25 |