Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6239185 | Method for producing expanded polyolefin particles | Frank Braun, Klaus Hahn, Manfred Leibach, Isidoor De Grave | 2001-05-29 |
| 5925686 | Production of expanded polyolefin particles | Isidoor De Grave, Klaus Hahn, Joachim Fischer | 1999-07-20 |
| 5773481 | Polyolefin particle foam | Joachim Fischer, Jens Rieger, Klaus Hahn, Isidoor De Grave | 1998-06-30 |
| 5703135 | Production of expanded polyolefin beads | Jurgen Schweinzer, Joachim Fischer, Isidoor De Grave | 1997-12-30 |