| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_24aca9ded2638ea793d05360dde7a4a0 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D201-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D201-04 |
| filingDate |
1996-06-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_719b9499e69b3427d8cc79d865715645
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4d38943ba4579db0403196f008afbeb9
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f8114304b6bd93422aecf7f1318527f5 |
| publicationDate |
1998-02-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-H1029974-A |
| titleOfInvention |
Method for producing caprolactam |
| abstract |
(57) [Problem] To provide a method for efficiently producing high-quality ε-caprolactam from crude ε-caprolactam. SOLUTION: The production of ε-caprolactam characterized by mixing a crude ε-caprolactam, a hydrocarbon solvent and a polyhydric alcohol, separating the mixture, and then recovering the ε-caprolactam from the polyhydric alcohol layer. Method. |
| priorityDate |
1996-05-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |