| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bb66d9373d09efad73c142762f6dfb00 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P35-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J53-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P35-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K36-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J63-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J53-00 |
| filingDate |
2003-01-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_22817d5bbba25dcc8e8176b793026e10 |
| publicationDate |
2004-11-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-1474437-A2 |
| titleOfInvention |
Improved method for obtaining betulinic acid |
| abstract |
The invention relates to an improved method for obtaining highly pure, crystalline betulinic acid from a methanolic extract of ground plane bark and/or plane rind. The invention also relates to a highly pure, crystalline betulinic acid, which is solvated with an equivalent of ethanol. |
| priorityDate |
2002-02-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |