| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_24b1273e84a8f33fb6ab5a8976c401ba |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J53-00 |
| filingDate |
2012-11-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2013-12-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c625f66d8bec79929a8e8b94d7b21ccb
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e77a22dd2178038cf8636d1dd242399c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f8415f726d615a990d342f48d99a3cef
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_842b39ff3fec9bd973d8ac4cd8e61ea8 |
| publicationDate |
2013-12-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
RU-2501805-C1 |
| titleOfInvention |
Method of producing betulin from birch bark |
| abstract |
FIELD: chemistry. n SUBSTANCE: described is a method of producing betulin from birch bark which involves extracting crushed birch bark with an organic solvent, concentrating the extract, precipitating betulin by adding hot water, filtering and drying. The extraction process is carried out in a microwave field. n EFFECT: betulin obtained using said method can be used to produce pharmaceutical preparations. n 4 ex |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2595332-C1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2710374-C1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2640587-C1 |
| priorityDate |
2012-11-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |