http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100315962-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L71-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-32 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-02 |
| filingDate | 1995-02-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2002-02-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2002-02-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-100315962-B1 |
| titleOfInvention | Method for producing polytetramethylene ether glycol |
| abstract | The present invention relates to a method for producing polytetramethylene ether glycol in which tetrahydrofuran is subjected to ring-opening polymerization in the presence of a fluorosulfonic acid catalyst and then hydrolyzed the terminal of the obtained polymer, as fluorosulfonic acid to be used as a catalyst. It is related with the manufacturing method of polytetramethylene ether glycol characterized by using a sulfuric acid content of 0.2 weight% or less. |
| priorityDate | 1994-02-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 42.