| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_728a84ab594530804bddc088023400f9
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_dd25cb2497b675f0cca8e7d6630e8f44 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P3-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C277-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C277-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C279-26 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C279-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-155
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P3-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C277-08 |
| filingDate |
2010-06-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_25104f92fdb538fe0eefdca9ccb5b0b3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_484bbbc45001c9a857daae3a3061390e |
| publicationDate |
2011-01-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2011021634-A1 |
| titleOfInvention |
Processes for preparing metformin hydrochloride |
| abstract |
A process for reducing dimethylamine content in metformin hydrochloride is disclosed. The process comprises:n (a) providing metformin hydrochloride having dimethylamine content more than 15 ppm; (b) pulverizing the metformin hydrochloride; (c) slurrying the metformin hydrochloride in one or more C 1 -C 4 alcohol solvents; and (d) isolating the metformin hydrochloride. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10166246-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2016059507-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2022023213-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-115260061-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110256299-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112028795-A |
| priorityDate |
2009-06-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |