http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114195662-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C227-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C227-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C227-40 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C229-76 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C229-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C227-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C227-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C227-40 |
| filingDate | 2021-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-11-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-11-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-114195662-B |
| titleOfInvention | A kind of synthetic method of high-content calcium and sodium edetate |
| abstract | The invention relates to a preparation method of high-content calcium and sodium edetate. The preparation method of the present invention controls the order of addition of raw materials, the amount of raw materials, the temperature of the reaction, the pH value of the synthesis solution in the synthesis process, and at the same time, an additional stabilization treatment step is introduced, so as to obtain high content of main components, low impurities, and A pharmaceutical excipient grade calcium and sodium edetate with good stability and uniform quality. The preparation method of the invention has simple steps, low cost and high product quality, and is suitable for large-scale industrial application. |
| priorityDate | 2021-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 46.