Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660857 | Process for the preparation of &egr;-caprolactam | Frank P. W. Agterberg, Matthias R. J. Offermanns | 2003-12-09 |
| 6392037 | Process for the preparation of &egr;-caprolactam | Frank P. W. Agterberg, Nicolaas F. Haasen | 2002-05-21 |
| 6353100 | Process for the preparation of &egr;-caprolactam | Wim Buijs | 2002-03-05 |
| 6333412 | Process for the preparation of .epsilon.-caprolactam | Samuel Livingston Lane | 2001-12-25 |
| 6323341 | Process for the continuous purification of crude .epsilon.-caprolactam | Frank P. W. Agterberg, Nicolaas F. Haasen | 2001-11-27 |
| 6268530 | Process to prepare 5-formylvaleric acid | Imre Toth, Onko J. Gelling, Antonius J. F. Simons, Simon Hans H. Niemann | 2001-07-31 |
| 6207827 | Process to separate .epsilon.-caprolactam from 6-aminocaproamide and 6-aminocaproamide oligomers | — | 2001-03-27 |
| 6194572 | Process to prepare .epsilon.-caprolactam | Wim Buijs, Henricus F. W. Wolters, Frank P. W. Agterberg | 2001-02-27 |
| 6191274 | Recovery of .epsilon.-caprolactam | Yvonne H. Frentzen | 2001-02-20 |
| 5973143 | Process to prepare .epsilon.-caprolactam from 6-aminocaproic acid | Samuel Livingston Lane, Wim Buijs | 1999-10-26 |
| 5780623 | Process to prepare .epsilon.-caprolactam from 6-aminocaproic acid | Samuel Livingston Lane, Wim Buijs | 1998-07-14 |