Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476089 | Expandable olefin bead polymers | Christian Maletzko, Isidor de Grave, Gerd Ehrmann, Franz-Josef Dietzen | 2002-11-05 |
| 6458858 | Biodegradable polyester material particles | Frank Braun, Guiscard Glück, Uwe Witt, Isidoor De Grave | 2002-10-01 |
| 6448300 | Expandable olefin bead polymers | Christian Maletzko, Isidor de Grave, Gerd Ehrmann, Franz-Josef Dietzen | 2002-09-10 |
| 6444714 | Method for producing expandable polystyrene particles | Guiscard Glück, Franz-Josef Dietzen, Gerd Ehrmann | 2002-09-03 |
| 6420442 | Flame-proofed polystyrene foamed materials | Franz-Josef Dietzen, Guiscard Glück, Gerd Ehrmann, Gerhard Turznik, Gerhard Alicke +2 more | 2002-07-16 |
| 6387968 | Method for producing water expandable styrene polymers | Guiscard Glück, Roland Gellert | 2002-05-14 |
| 6362242 | Method for producing expandable styrene polymers | Guiscard Glück | 2002-03-26 |
| 6342540 | Method for producing water expandable styrene polymers | Guiscard Glück, Peter Dodel | 2002-01-29 |
| 6340713 | Expandable styrene polymers containing graphite particles | Guiscard Glück, Knut Kaempfer, Dieter Naegele, Frank Braun | 2002-01-22 |