Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8722751 | Thermostable microporous polymethacrylimide foams | Jonas Scherble, Werner Geyer, Leonhard Maier, Torsten Jahn, Thomas Barthel | 2014-05-13 |
| 7169339 | Method for producing polymethacrylimide foams | Peter Stein, Leonard Maier, Rainer Zimmermann, Wilfried Heberer, Werner Geyer | 2007-01-30 |
| 6655001 | Process for a diaphragm for electroacoustic transducers | Dirk Roosen, Leonhard Maier | 2003-12-02 |
| 5928459 | Process for the production of polymethacrylimide foam materials | Werner Geyer, Sabine Servaty | 1999-07-27 |
| 5849407 | Insulation layer for fire-proofed rooms | — | 1998-12-15 |