| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7f9af914ed2fb00cd4f1b8b1a28964e4 |
| 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/C07D207-267
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D201-16 |
| filingDate |
2003-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c706784e31a495ef06e53a3d3845618b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_49546da8141f5be8c45fb59d5de051b8 |
| publicationDate |
2004-12-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-2004345994-A |
| titleOfInvention |
Method for purifying N-vinyl-2-pyrrolidone |
| abstract |
A method for purifying NVP by crystallization is to improve the purification yield of NVP. A method for purifying N-vinyl-2-pyrrolidone by crystallization, wherein the crystallization comprises N-vinyl-2-pyrrolidone as a main component and a stabilizer in a mother liquor containing impurities. A method characterized in that it is performed. [Selection diagram] Fig. 1 |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2336106-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2006328061-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9096516-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2006328062-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2007238471-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2007094467-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2008535772-A |
| priorityDate |
2003-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |