| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2231-49 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J31-0268
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-5442
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-61
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D319-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J31-0244 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D319-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-61
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-54 |
| filingDate |
2013-03-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2015-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-WO2013133377-A1 |
| titleOfInvention |
Method for producing lactide |
| abstract |
Disclosed is a method for producing lactide using a pyridinium-based catalyst in which a carboxyl group of a lactic acid oligomer is esterified with a specific primary alcohol and heated under reduced pressure. |
| priorityDate |
2012-03-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |