Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6180817 | Process for the distillation of crude ester in the DMT/PTA process | Udo Lenz, Anton Schoengen, Reinhard Sigg | 2001-01-30 |
| 6096171 | Process for the distillation of crude ester in the DMT/PTA process | Udo Lenz, Anton Schoengen, Reinhard Sigg | 2000-08-01 |
| 5852201 | Process for the distillation of crude ester in the DMT/PTA process | Udo Lenz, Anton Schoengen, Reinhard Sigg | 1998-12-22 |