Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11248080 | Brominated flame retardant | Konrad Knoll, Ingo Bellin, Eckhard Neufeld | 2022-02-15 |
| 8889748 | Process for producing expandable styrene polymer compositions | Wolfram Husemann, Uwe-Johannes Lehnen, Patrick Spies, Boris Breitscheidel, Klaus Hahn +3 more | 2014-11-18 |
| 8795562 | Method and device for granulating polymer melts containing blowing agent | Paulus Schmaus, Michael Heeger, Joachim Ruch, Christian Rasch | 2014-08-05 |
| 8455559 | Preparing expandable styrene polymers | Wolfgang Ferstl, Jun Gao, Klaus Hahn, Pascal Hesse, Klaus-Dieter Hungenberg +10 more | 2013-06-04 |
| 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 | Franz-Josef Dietzen, Gerd Ehrmann, Bernhard Schmied, Martin Laun, Klaus Hahn +3 more | 2010-08-17 |
| 5905096 | Continuous production process of expandable styrene polymer beads | Peter Nikolaus Lay, Swen Ruck, Michael Schiessl, Michael Witt, Hans D. Zettler +5 more | 1999-05-18 |
| 5094797 | Preparation of pigmented curable polyester molding compounds | Helmut Heel, Gerd Esswein, Friedrich Goffing | 1992-03-10 |
| 5047455 | Thickened molding compositions | Anton Hesse, Roland Peter | 1991-09-10 |
| 4987264 | Novel polyphenol and thermosetting plastics prepared therefrom | Roland Peter, Philipp Eisenbarth, Thomas Allspach | 1991-01-22 |
| 4829106 | Molding materials based on curable unsaturated polyester resins and having a long shelf life | Alfred Guthmann, Hans-Juergen Christoph, Heinz B. Kemper | 1989-05-09 |
| 4745197 | Flexible bismaleimides | Philipp Eisenbarth, Anton Hesse, Roland Peter | 1988-05-17 |