Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8222307 | Flameproof expandable styrene polymers, and method for the production thereof | Markus Allmendinger, Bernhard Schmied, Joachim Ruch, Konrad Knoll, Klaus Hahn +2 more | 2012-07-17 |
| 5585410 | Bead-form, expandable styrene polymers having a reduced internal water content, and their preparation | Dietrich Scherzer, Klaus Hahn, Dieter Naegele, Michael Witt, Wolfram Husemann | 1996-12-17 |
| 5258415 | Expandable styrene polymers containing carbon dioxide as blowing agent | Klaus Hahn, Knut Kaempfer, Hans Hintz, Anthony G. Schaefer, Michael Witt | 1993-11-02 |
| 5229429 | Expandable styrene polymers containing carbon dioxide as blowing agent | Klaus Hahn, Knut Kaempfer, Hans Hintz, Anthony G. Schaefer, Michael Witt | 1993-07-20 |
| 5177115 | Oil-resistant, expandable styrene polymers | Hans Hintz, Klaus Hahn, Uwe Guhr | 1993-01-05 |
| 5096931 | Expandable styrene polymers | Dietmar Wittenberg, Klaus Hahn, Uwe Guhr, Hans Hintz, Michael P. O'Callaghan, deceased | 1992-03-17 |