Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8889748 | Process for producing expandable styrene polymer compositions | Uwe-Johannes Lehnen, Patrick Spies, Boris Breitscheidel, Klaus Hahn, Jan Holoch +3 more | 2014-11-18 |
| 8455559 | Preparing expandable styrene polymers | Wolfgang Ferstl, Jun Gao, Klaus Hahn, Pascal Hesse, Jan Holoch +10 more | 2013-06-04 |
| 6130265 | Method for producing expandable styrene polymers containing graphite particles | Guiscard Glueck, Klaus Hahn, Karl-Heinz Batscheider, Dieter Naegele, Knut Kaempfer +1 more | 2000-10-10 |
| 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 |
| 5596045 | Expandable styrene polymers containing recycled material | Dietrich Scherzer, Michael Witt, Klaus Hahn, Knut Kaempfer, Gerhard Alicke | 1997-01-21 |
| 5585410 | Bead-form, expandable styrene polymers having a reduced internal water content, and their preparation | Dietrich Scherzer, Klaus Hahn, Michael Riethues, Dieter Naegele, Michael Witt | 1996-12-17 |
| 5266602 | Expandable styrene polymers | Manfred Walter, Dieter Naegele | 1993-11-30 |
| 5118718 | Expandable styrene polymers of high expandability | Manfred Walter, Dieter Naegele | 1992-06-02 |