| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6c8d4dc7bd1a30d8fda907fceaeb4e69 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-78 |
| filingDate |
2001-10-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_33cae3b8585e1585a0671e77fc6009e8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8b6514fde0240381e9930ea135a23375
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7de7cf856f4f1d842a396dcfa4b2ccfb |
| publicationDate |
2003-05-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-2003128774-A |
| titleOfInvention |
Polyester production method |
| abstract |
(57) [Problem] To provide a method for producing a polyester having good color tone and excellent transparency. SOLUTION: A method for preparing a slurry containing a dicarboxylic acid containing terephthalic acid as a main component and an alkylene glycol, esterifying the dicarboxylic acid and the alkylene glycol in the slurry, and producing a polyester by polycondensation of an esterified product, A method for producing a polyester, comprising maintaining the slurry in an inert gas atmosphere having an oxygen concentration of 1% by volume or less. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2006321994-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2006070227-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-4496045-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2006321995-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2006321997-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2085417-A4 |
| priorityDate |
2001-10-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |