| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_da54f7ebbd2d9d8a82f92aca4d1b4e48 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J53-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J53-008
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J53-007 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J53-00 |
| filingDate |
1997-08-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3c483075f6b9554a18226ad1d81808d4
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bbf837ba12459a27cb07bfed8c8d4c31 |
| publicationDate |
2004-12-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-1149840-A3 |
| titleOfInvention |
Drospirenon (6b, 7b, 15b, 16b-Dimethylene-3-oxo-17alpha-pregn-4-ene-21, 17-carbolactone, DRSP) with less than 0,2% impurities |
| abstract |
Drospirenone characterized in that less than 0.2% contamination of the isolactone and the 6,7 - ring opening product formed by acid attack on the 6,7 - methylene group of drospirenone. |
| priorityDate |
1996-08-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |