Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4479768 | Sealable discharge die for thermoplastic | Wolfgang Kube, Guenter Valentin, Dieter Staufer | 1984-10-30 |
| 4464266 | Removal of caprolactam and its oligomers from cooling water containing these compounds | Hugo Strehler, Guenter Valentin, Werner Hoerauf | 1984-08-07 |
| 4233429 | Process for removing volatiles evolved from plastic melts | Werner Hoerauf, Guenter Valentin, Helmut Kuhn | 1980-11-11 |