| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_14f86e164bb6ab1032c519b42ff81a64 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D201-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D207-267 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-26 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D201-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-267 |
| filingDate |
1956-05-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1957-08-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d25e8900552f7da6529d66b6a85d9d6a |
| publicationDate |
1957-08-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2802777-A |
| titleOfInvention |
Process of purifying crude 2-pyrrolidone |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2944944-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3115500-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-1280870-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4472585-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4384125-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3118926-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3006817-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3290329-A |
| priorityDate |
1956-05-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |