Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727291 | Preparation of expandable propylene polymer beads | Klaus Hahn, Isidor de Grave, Gerd Ehrmann, Franz-Josef Dietzen | 2004-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727291 | Preparation of expandable propylene polymer beads | Klaus Hahn, Isidor de Grave, Gerd Ehrmann, Franz-Josef Dietzen | 2004-04-27 |