Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660857 | Process for the preparation of &egr;-caprolactam | Rudolf P. M. Guit, Matthias R. J. Offermanns | 2003-12-09 |
| 6392037 | Process for the preparation of &egr;-caprolactam | Nicolaas F. Haasen, Rudolf P. M. Guit | 2002-05-21 |
| 6323341 | Process for the continuous purification of crude .epsilon.-caprolactam | Rudolf P. M. Guit, Nicolaas F. Haasen | 2001-11-27 |
| 6232262 | Carbonylation catalyst system | Otto E. Sielcken, Henk Oevering, Paulus Franciscus Anna Buijsen, Imre Toth | 2001-05-15 |
| 6194572 | Process to prepare .epsilon.-caprolactam | Wim Buijs, Henricus F. W. Wolters, Rudolf P. M. Guit | 2001-02-27 |
| 5672732 | Process for the carbonylation of butadiene or a butadiene derivative | Otto E. Sielcken, Michael B. D'Amore, Harold S. Bruner, Jr. | 1997-09-30 |
| 5495041 | Process for the preparation of a pentenoate ester | Otto E. Sielcken, Nicolaas F. Haasen | 1996-02-27 |