Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5731483 | Recycling of plastics in a steam cracker | Uwe Stabel, Helmut Woerz, Ruediger Kotkamp | 1998-03-24 |
| 5326927 | Recovery of a useful polymerizable fraction | Uwe Stabel, Gerd Wunsch, Helmut Woerz, Ruediger Kotkamp | 1994-07-05 |