http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-1151342-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1374dd16777534b65ad4422333245af8 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G69-44 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G69-44 |
| filingDate | 1980-05-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1983-08-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_de6e51aaa63dcf23fccc1dfd1920617f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d96f3d642bfcff92c59c96ed348d1c4a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_73a5165336b5b70a9dacd6ae87567a2a |
| publicationDate | 1983-08-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-1151342-A |
| titleOfInvention | Process for producing aromatic polyesters having an increased degree of polymerization |
| abstract | Abstract of Disclosure A process for producing an aromatic polyester having an increased degree of polymerization, which com-prises reacting a substantially linear, fiber forming aromatic polyester containing terminal hydroxyl groups and having an aromatic dicarboxylic acid as a main acid component at an elevated temperature with a bis-cyclic imino ether compound of the formula (I) such as 2,2'-bis(2-oxazoline), 2,2'-bis(5,6-dihydro-4H-1,3-oxadine) thereby bonding the molecular chains of the aromatic polyester to each other by the terminal carboxyl groups thereof to rapidly form said aromatic polyester having an increased degree of polymerization. Said reaction can be carried out under atmos-pheric or elevated pressure. According to the process, an aromatic polyester having a low terminal carboxyl concentration and an increased degree of polymerization can be obtained. |
| priorityDate | 1979-05-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 182.