Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6111099 | Process for the recovery of caprolactam from waste containing nylon | Yvonne H. Frentzen, Rudolf L. Zwart | 2000-08-29 |
| 5539106 | Process for the purification of a water-.epsilon.-caprolactam mixture | Theodorus A. van der Knaap, Johannes F. Haverkort | 1996-07-23 |