| 6420442 |
Flame-proofed polystyrene foamed materials |
Franz-Josef Dietzen, Guiscard Glück, Gerd Ehrmann, Gerhard Turznik, Klaus Hahn +2 more |
2002-07-16 |
| 5596045 |
Expandable styrene polymers containing recycled material |
Dietrich Scherzer, Wolfram Husemann, Michael Witt, Klaus Hahn, Knut Kaempfer |
1997-01-21 |
| 5576094 |
Foam boards produced using halogen-free blowing agents |
Julien N. R. Callens, Alfons J. S. van Biesen, Bernardo Wolff, Reinhold Weber, Franz-Josef Dietzen +1 more |
1996-11-19 |
| 5453454 |
Production of foam boards of high compressive strength from styrene polymers |
Manfred Weilbacher, Bernardo Wolff, Hartmut Heinen, Franz-Josef Dietzen, Reinhold Weber +1 more |
1995-09-26 |
| 5334337 |
Production of foam boards of high compressive strength using a blowing agent mixture |
Heinz Voelker, Manfred Weilbacher, Reinhold Weber, Horst Schuch |
1994-08-02 |
| 5182308 |
Production of foam sheets of high compressive strength |
Heinz Voelker, Horst Schuch, Manfred Weilbacher, Reinhold Weber |
1993-01-26 |
| 5106684 |
Foam sheets of high heat distortion resistance |
Reinhold Weber, Manfred Weilbacher, Uwe Guhr, Klaus Hahn |
1992-04-21 |
| 5071703 |
Foam sheets of high heat distortion resistance |
Reinhold Weber, Manfred Weilbacher, Uwe Guhr, Klaus Hahn |
1991-12-10 |