| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c72d118f5664072de841f9c5c34b9d99 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C37-58
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C37-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J21-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J37-0018
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-72 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C39-07
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J21-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-72
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J37-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-11
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-00 |
| filingDate |
2002-03-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2002-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2bdb7457a33a754b3d17abda36b53a3b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_de5ef1582adaa9c3bd4a1b47f81a9a5b |
| publicationDate |
2002-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-6492300-B2 |
| titleOfInvention |
Methods for preparing polyphenylene ether resin |
| abstract |
A method for preparing a polyphenylene ether resin is described. In one embodiment the method comprises: preparing a magnesium-based alkylation catalyst, by dry-blending at least one filler with a magnesium reagent which yields magnesium oxide upon calcination; calcining the alkylation catalyst; reacting a phenolic compound and an alkyl alcohol in the presence of the alkylation catalyst, to form a 2,6-alkyl-disubstituted phenolic compound; and oxidatively coupling the 2,6-alkyl-disubstituted phenolic compound in the presence of a suitable polymerization catalyst, to form the polyphenylene ether resin. |
| priorityDate |
2000-02-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |