Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887968 | Process for the recycling of polycarbonates | Heinrich Hähnsen, Silke Kratschmer, Manfred Schraut | 2005-05-03 |
| 6887970 | Method for producing polycarbonates | Silke Kratschmer, Michael Prein | 2005-05-03 |