Inventor
Wim Buijs
Inventor
Schinnen, NL
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds57%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds21%
C07CAcyclic or carbocyclic compounds14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
PatentTitleYear
6,852,829'Process for the simultaneous preparation of polyamides with at least two different viscosities'20056,841,666'Process for the preparation of ε-caprolactam'20056,566,487'Method for polymerising epsilon-caprolactam to polyamide-6'20036,353,100'Process for the preparation of -caprolactam'20026,194,572'Process to prepare .epsilon.-caprolactam'20016,011,153'Process for the preparation of a mixture of .epsilon.-caprolactam, 6-aminocaproic acid and 6-aminocaproic amide'20005,973,143'Process to prepare .epsilon.-caprolactam from 6-aminocaproic acid'19995,780,623'Process to prepare .epsilon.-caprolactam from 6-aminocaproic acid'19985,717,089'Process for the preparation of E-caprolactam'19985,700,934'Process for the preparation of epsilon-caprolactam and epsilon-caprolactam precursors'19975,364,978'Process for removal of tar in a phenol preparation process'19945,210,331'Method for the preparation of a phenol'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2005Patents assigned to DSM NV (11)· patent assignee history
1993–2005Based in Schinnen, NL· patent location history
1997–2002Patents assigned to DU PONT (4)· patent assignee history
2005Patents assigned to DSM IP ASSETS BV (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DSM NV | 11 | 1993–2005 |
| DU PONT | 4 | 1997–2002 |
| DSM IP ASSETS BV | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Schinnen, NL | 12 | 1993–2005 |