Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703204 | Method for reprocessing aqueous extract solutions obtained in the production of PA 6 or copolyamide | Claus Wulff, Heinrich Haupt, Karsten-Josef Idel | 1997-12-30 |
| 5597888 | Process for the production of high molecular weight polyamide 6 | Werner Nielinger, Edgar Ostlinning, Karsten-Josef Idel, Helmut Schulte | 1997-01-28 |