| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1374dd16777534b65ad4422333245af8 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-78
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-692
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-85
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-82
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-688
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-183 |
| filingDate |
1991-08-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1f753734a81279883be563080414850e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ff55cdabd87793fa9eadb5bf49d1fc59 |
| publicationDate |
1993-03-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-H0551439-A |
| titleOfInvention |
Polyester manufacturing method |
| abstract |
(57) [Summary] [Object] To provide a method for producing a polyester having excellent process stability during spinning and drawing. [Structure] When a polyester containing terephthalic acid as a main acid component and ethylene glycol as a main glycol component is produced with an antimony compound as a polymerization catalyst, a sulfonic acid quaternary phosphonium salt compound represented by the following formula is contained in an amount of 10 to 50 mmol. % (Based on total acid components) Add and copolymerize. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H0625397-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0989149-A4
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0989149-A1 |
| priorityDate |
1991-08-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |