Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652275 | Process for the chemical recycling of polycarbonates | Hans-Josef Buysch | 1997-07-29 |
| 5652313 | Two-stage process for the manufacture of thermoplastic polycarbonate | Uwe Hucks, Gottfried Zaby, Claus Wulff | 1997-07-29 |
| 5652324 | Process for the production of thermoplastic polycarbonate | Uwe Hucks, Thomas Fischer, Gottfried Zaby, Franz Ferdinand Rhiel | 1997-07-29 |
| 5648437 | Process for the manufacture of thermoplastic polycarbonate | Thomas Fischer, Rolf Bachmann, Uwe Hucks, Franz Ferdinand Rhiel | 1997-07-15 |