http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S5726632-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 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C31-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C27-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C29-74 |
| filingDate | 1980-07-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_08600da209a9258f7ac2093cda585cd0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6f6e9d02162c83e100eb4252725cef2c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f284d0b0fab93651bcb611dc68b16539 |
| publicationDate | 1982-02-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S5726632-A |
| titleOfInvention | Purifying method of glycol |
| abstract | PURPOSE: To improve the quality of a glycol and reutilize the glycol as a raw material for preparing a polyester, by purifying the glycol, generated in the polyester preparing step, and containing Ge with a cation exchange resin, and recovering the Ge efficiently without the removal thereof to the outside of the system. n CONSTITUTION: An aromatic dicarboxylic acid, e.g. terephthalic acid or isophthalic acid, is polycondensed with a glycol to prepare a polyester. The glycol, generated in the process, and containing Ge used as a polycondensing catalyst is treated with a cation exchange resin, e.g. a strongly acidic cation exchange resin. Colored substances contained in the glycol are removed to purify the glycol in a state containing the Ge efficiently. The treated glycol is directly used as a raw material for preparing the polyester, and the Ge contained in the glycol re-exhibits the polycondensing activity to give the polyester having physical properties not inferior to those of the polyester prepared from the commercially available purified glycol. n COPYRIGHT: (C)1982,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S63135421-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S63130628-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-1058023-C http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0659797-A3 |
| priorityDate | 1980-07-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 29.