Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7615137 | Process for recovering caprolactam from aqueous caprolactam product using in situ prepared alkali amino caproate | Arnold G. M. Jetten, Gerardus Hangx | 2009-11-10 |
| 6828413 | Process for the preparation of a polyamide | Cornelis Eme Koning, Rudy Rulkens, Albert A. Van Geenen | 2004-12-07 |
| 6706153 | Process for the separation of a ketoxime or aldoxime from an amide | Yvonne H. Frentzen, Henricus F. W. Wolters | 2004-03-16 |
| 6392037 | Process for the preparation of &egr;-caprolactam | Frank P. W. Agterberg, Rudolf P. M. Guit | 2002-05-21 |
| 6323341 | Process for the continuous purification of crude .epsilon.-caprolactam | Frank P. W. Agterberg, Rudolf P. M. Guit | 2001-11-27 |
| 5717089 | Process for the preparation of E-caprolactam | Henricus F. W. Wolters, Samuel Livingston Lane, Wim Buijs, Frank E. Herkes | 1998-02-10 |
| 5700934 | Process for the preparation of epsilon-caprolactam and epsilon-caprolactam precursors | Henricus F. W. Wolters, Samuel Livingston Lane, Wim Buijs, Frank E. Herkes | 1997-12-23 |
| 5585524 | Method for the preparation of an aldehyde | Otto E. Sielcken | 1996-12-17 |
| 5495041 | Process for the preparation of a pentenoate ester | Otto E. Sielcken, Frank P. W. Agterberg | 1996-02-27 |
| 4563308 | Recovery of caprolactam from caprolactam-containing distillation residue | Otto G. Plantema, Arnold G. M. Jetten | 1986-01-07 |
| 4457807 | Process for the purification of .epsilon.-caprolactam | Peter F. M. Rulkens, Otto G. Plantema | 1984-07-03 |