Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6262193 | Process for the preparation of polymer particles | Johannes M. Zijderveld | 2001-07-17 |
| 4621022 | Expandable plastics granular material having at least one orifice | Gunter Kohaut, Werner Weber, Herman Groenendijk, Wilhelmus H. J. Janssen | 1986-11-04 |
| 4599269 | Foamable plastics granules and packaging material prepared therefrom | Gunter Kohaut, Werner Weber, Herman Groenendijk, Wilhelmus H. J. Janssen | 1986-07-08 |