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, Marcellinus P. G. Thijert | 2000-08-29 |
| 5064627 | Continuous process for separating hydrogen in high purity from a gaseous hydrogen-containing mixture | Johan Thomas Tinge | 1991-11-12 |