| 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/A61P29-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-52
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P19-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P19-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P19-10 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-95
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-52 |
| filingDate |
2000-04-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2005-04-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d1aac10195e35041d1f1cbb9a22b2439
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_575745c29a399b89258a240bb471c992 |
| publicationDate |
2005-04-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
ES-2171364-T3 |
| titleOfInvention |
PROCEDURE FOR PURIFICATION OF DIACEREINE. |
| abstract |
A procedure for the purification of crude diacerein, characterized in that the diacerein is crystallized in a solvent composed of acetic anhydride and acetic acid or in only acetic anhydride, then the crystallized diacerein is dissolved in an acetone / triethylamine mixture and precipitated again with an aqueous solution of phosphoric acid. |
| priorityDate |
1999-05-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |