http://rdf.ncbi.nlm.nih.gov/pubchem/patent/BR-0014499-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c72d118f5664072de841f9c5c34b9d99 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-307 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G64-30 |
| filingDate | 2000-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_af725a7715213002ec061e2ea06545b7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7b2d5a87986756a42a696652cc8de809 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8be3cef492e477b648a97d06122a686a |
| publicationDate | 2002-06-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | BR-0014499-A |
| titleOfInvention | Alkali metal salts of sulfur oxoacids as catalysts for the preparation of polycarbonates |
| abstract | Invention Patent: "ALKALINE METAL SALTS OF SULFUR OXOACIDS AS CATALYSTS FOR THE PREPARATION OF POLY-CARBONATES". The present invention relates to a process for the preparation of polycarbonate comprising preparing a polycarbonate by a casting process by reacting a diphenol and a diaryl carbonate in the presence of a catalytically effective amount of one or more alkali metal salts of oxoacids sulfur, metabisulfide, disulfide, sulfide, dithionate or sodium thiosulfate type. |
| priorityDate | 1999-10-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 21.