Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469203 | Method for depolymerizing polymethylmethacrylate | Jorg Schmalfeld, Udo Zentner, Tobias Groschang, Udo Gropp, Werner Fuss +2 more | 2002-10-22 |
| 6413415 | Method for high-temperature short-time distillation of residual oils | Jorg Schmalfeld, Udo Zentner, Ingo Dreher, Willibald Serrano | 2002-07-02 |