Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:applicationStatus |
published
|
| gptkbp:filingDate |
gptkb:BASF_AG
1990-12-21 |
| https://www.w3.org/2000/01/rdf-schema#label |
EP 40-68-150
|
| gptkbp:inventedBy |
Hans-Joachim Metternich
Klaus-Peter Weckesser |
| gptkbp:priorityCountry |
gptkb:DE
|
| gptkbp:priorityDate |
1989-12-22
|
| gptkbp:publicationDate |
1991-10-02
|
| gptkbp:title |
Process for the preparation of N-alkylpyrrolidones
|
| gptkbp:bfsParent |
gptkb:Excelsior_Park
|
| gptkbp:bfsLayer |
8
|