http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107163040-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B2200-13 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D471-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D471-04 |
| filingDate | 2017-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-08-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2019-08-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107163040-B |
| titleOfInvention | Pyrroloquinoline quinone mono-sodium salt crystal and preparation method thereof |
| abstract | The purpose of the present invention is to provide a kind of simple manufacture pyrroloquinoline quinone mono-sodium salt crystal and preparation method thereof for being suitble to large-scale production, the preparation method of the pyrroloquinoline quinone list sodium includes dissolution pyrroloquinoline quinone free state or its alkali metal salt, adjust pH to 2.0-3.0, low concentration of salt is added to saltout, it is high-purity crystallized to obtain pyrroloquinoline quinone mono-sodium salt.Preparation method provided by the invention is simple, is easy to control, the large-scale production for being suitble to pyrroloquinoline quinone mono-sodium salt high-purity crystallized. |
| priorityDate | 2017-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 62.