| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6cfc033f059d282fcd915bc8be2ae53f |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-06 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-88
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-06 |
| filingDate |
1993-10-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1995-01-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_94f9569c737dd37e79747ed7f4fca2e2
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7369f16238aa199c4cfeb0dd1c079b14 |
| publicationDate |
1995-01-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-5386004-A |
| titleOfInvention |
Polyhydroxycarboxylic acid and purification process thereof |
| abstract |
A purification process of a polyhydroxycarboxylic acid for efficiently removing a catalyst with a simple method from solid polyhydroxycarboxylic acid by bringing the solid polyhydroxycarboxylic acid which is obtained by a catalytic reaction and has an inherent viscosity of 0.1˜5.0 dl/g into contact with an acid substance in the presence of a hydrophilic organic solvent. Also disclosed is a polyhydroxycarboxylic acid prepared by direct dehydration polymerization having an extremely reduced content of residual catalyst. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011189475-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112940234-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7943683-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6114495-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011021742-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5770682-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8753555-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6353086-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8952126-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2568526-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2015018498-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009171064-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5844068-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8481673-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009171065-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2008132602-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5734007-A |
| priorityDate |
1992-10-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |