http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-1300799-C
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_46ffc67cd29dd51dbd0bc0e335dd3994 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-10 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-30 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G64-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G64-20 |
| filingDate | 1988-07-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1992-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_00253674713c8e7c32010a49234a9bb5 |
| publicationDate | 1992-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-1300799-C |
| titleOfInvention | Production of polycarbonates |
| abstract | Case 6616(2) ABSTRACT OF THE DISCLOSURE PRODUCTION OF POLYCARBONATES This invention relates to an integrated process for producing polycarbonates by transesterification of a dialkyl carbonate with a bisphenol diester to form a carbonate oligomer and an alkyl ester followed by polymerisation of the oligomer to a polycarbonate. The feature of the invention lies in the carbonylation of the alkyl ester by-product formed during the transesterification step to an anhydride which is used to esterify bisphenol to the diester. |
| priorityDate | 1987-07-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 44.