http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100641517-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-307 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-58 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G64-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-00 |
| filingDate | 1998-12-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2006-12-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2006-12-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-100641517-B1 |
| titleOfInvention | Manufacturing method for polycarbonate |
| abstract | The process for producing polycarbonates by melt-polycondensation of bisphenols and carbonic acid diesters uses alkali metal compounds and / or alkaline earth metal compounds (a) as catalysts. The catalyst is added to the bisphenol in an effective amount prior to melt polycondensation, that is to say in an amount of an alkali metal compound and / or an alkaline earth metal compound that effectively acts as a catalyst, contained in the bisphenol, and bisphenol per mole of pure bisphenol A Disodium salt is adjusted to have the same catalytic activity as 1 x 10 -8 to 1 x 10 -6 moles. The process effectively proceeds the reaction from the initial stages in a stable manner to obtain polycarbonates with good color, good thermal stability at molding and color stability and the like. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2011075051-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102362158-B http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102362158-A |
| priorityDate | 1997-12-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 495.