http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106278953-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C277-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C277-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C279-26 |
| filingDate | 2015-04-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-09-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-09-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-106278953-B |
| titleOfInvention | A kind of production method for improving Metformin hydrochloride purity |
| abstract | The invention discloses a kind of production method of high-purity hydrochloric acid melbine, using N methyl pyrrolidones as solvent, dicyandiamide and dimethylamine hydrochloride are solute, add synthesis reactor reaction, by stirring, cooling, drying, washing, crystallization, drying steps, Metformin hydrochloride is prepared.Metformin hydrochloride is prepared using preparation method of the present invention, yield is more than 96.4 %, and product purity can be more than 99.93 %. |
| priorityDate | 2015-04-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 103.