| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_13b8b88478b580717efac6b468e98c23 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2603-24 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-95
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-52
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-16 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-52 |
| filingDate |
2001-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2008-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c52d49481143557202ac290fc0910ec0 |
| publicationDate |
2008-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-1296928-B1 |
| titleOfInvention |
A process for the purification of diacerein |
| abstract |
A process for the preparation of diacerein in which crude diacerein is purified by crystallization with a mixture of solvents consisting of acetic acid and acetic anhydride, or acetic anhydride alone, the solution being optionally treated with ethylenediaminetetracetic acid to remove any traces of chromium. |
| priorityDate |
2000-06-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |