| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0a521cfa321c963978df8ae98a84056a |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2696
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2648 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-28 |
| filingDate |
2009-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0c98285fa5294b9aeba26599afeae0e3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7116e83f75a00e188c5d2f2c70132c21
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_04d079c78e17c03c1cb9c1e5e5eee680
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3028dfd69f9dcba9773a44bdc27b55a0 |
| publicationDate |
2010-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-2010138388-A |
| titleOfInvention |
Polyalkylene glycol derivative and method for producing the same |
| abstract |
A method for producing a high molecular weight, high-purity polyalkylene glycol derivative for pharmaceutical use. A process for producing a polyalkylene glycol derivative of the formula (X) comprising the following steps. (Step (A)) An alkali catalyst is added to the compound of the formula (Y). (Step (B)) The alkylene oxide is reacted under conditions of 50 to 130 ° C. until n becomes 5 to 500 to obtain a polyalkylene glycol derivative. (Step (C)) The derivative of the step (B) is diluted with a hydrocarbon solvent to remove the remaining water azeotropically. (Step (D)) The derivative of the step (B) is further reacted until n becomes 600 to 2,000. [Selection figure] None |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-102275319-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20160067752-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20180057047-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2016190830-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10047029-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-102093966-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10377775-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11066430-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2016108529-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2014084443-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-I684614-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10472377-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2015136596-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10550136-B2 |
| priorityDate |
2008-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |