| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_dcb88e6c103e4974b104452c51fbb4a5 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-06 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B63-00 |
| filingDate |
1993-08-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_42f0f54bde7f7f259f6eb53e771c61b2
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d747d26485bba8b190c1038ffd48aaf5 |
| publicationDate |
1994-06-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-H06166675-A |
| titleOfInvention |
Method for purifying pyridine compound |
| abstract |
(57) [Summary] [Object] To provide a method for purifying a pyridine compound. Composition: The method first adds water to the hydrocarboxymethylation mixture. It then consists of separating the middle boilers and finally the pyridine compound by distillation with methanol and then water. [Effect] According to this method, a pyridine compound can be obtained with high purity at a low cost. |
| priorityDate |
1992-08-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |