http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2013324739-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e7962109cd4763907b82b66760cd0ae8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_96dc6555648b4eb73dd61372a2c13439 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0b77360da8bfcc1b3ace514aed209672 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C219-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D263-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D263-22 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D263-22 |
| filingDate | 2012-03-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9cabea645c3c1f130a6a68b3ba2261d8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_93a5946ea869bc92c803294143d71578 |
| publicationDate | 2013-12-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-2013324739-A1 |
| titleOfInvention | Glutamic acid benzyl ester n-carboxylic anhydride |
| abstract | An object of the present invention is to provide crystal polymorphs which have a high bulk density and are excellent in storage stability, among crystal polymorphs of a glutamic acid benzyl ester N-carboxylic anhydride. According to the present invention, the crystal polymorphs of glutamic acid benzyl ester N-carboxylic anhydride that have a bulk density of 0.45 g/cm 3 or higher can be obtained by dissolving glutamic acid benzyl ester N-carboxylic anhydride in a solvent which has been heated at a temperature equal to or higher than 40° C. and lower than a boiling point thereof and is in an amount of 0.5 L or more per mol of the glutamic acid benzyl ester N-carboxylic anhydride, adding a poor solvent which is in an amount of 1.4 L or more per mol of the glutamic acid benzyl ester N-carboxylic anhydride at a temperature equal to or higher than 40° C. and lower than a boiling point thereof, precipitating crystals at a temperature equal to or higher than 40° C. and lower than a boiling point thereof, and cooling the crystals. |
| priorityDate | 2011-03-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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