http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2002284868-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_129e393582e6bdf4029baf2206522f45 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-78 |
| filingDate | 2001-03-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d5dee4950904561a287e64f9eb8a52c9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_de3fa7f6f5397e579e3530df4f83b4f3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6ddf3faf10f8f5bee72067e5ed352c60 |
| publicationDate | 2002-10-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2002284868-A |
| titleOfInvention | Method for producing polybutylene terephthalate |
| abstract | (57) [Problem] P with little THF by-product and little foreign matter generation BT is efficiently manufactured. SOLUTION: In producing PBT by subjecting terephthalic acid and 1,4-butanediol to an esterification reaction followed by a polycondensation reaction, the esterification reaction is carried out in two or more steps. In the first step, the molar ratio of the diol component to the dicarboxylic acid component is 0.7 The reaction is carried out continuously within the range of less than 1.1, and then the esterification reaction is carried out by continuously adding the remaining diol component after the second stage of the esterification reaction. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2005012391-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-7297492-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110612209-B http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110612209-A |
| priorityDate | 2001-03-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 83.