| 4525484 |
Particulate polystyrene containing blowing agent and having improved expandability |
Klaus Hahn, Paul Wittmer, Isidoor De Grave, Adolf Echte |
1985-06-25 |
| 4520135 |
Particulate polystyrene containing blowing agent and having improved expandability |
Klaus Hahn, Paul Wittmer, Isidoor De Grave, Adolf Echte |
1985-05-28 |
| 4513105 |
Particulate polystyrene containing blowing agent and having improved expandability |
Klaus Hahn, Paul Wittmer, Isidoor De Grave, Adolf Echte |
1985-04-23 |
| 4459373 |
Pre-expanded plastic beads based on poly-para-methylstyrene |
Klaus Hahn, Isidoor De Grave |
1984-07-10 |
| 4189515 |
Particulate expandable styrene polymers having short minimum molding times |
Harro Voss, Rolf Moeller, Erhard Stahnecker |
1980-02-19 |
