Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b621d08f712e79798226698681afc84d |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C37-20 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C39-15 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-10 |
filingDate |
2002-04-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ce218f38146566bab3db85150bb01201 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_999d560e9401015748c6e905d2200d6c |
publicationDate |
2004-01-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
EP-1379490-A1 |
titleOfInvention |
Catalyst promoter for the manufacture of polyphenols |
abstract |
A process for the manufacture of a polyphenol compound such as bisphenol-A by introducing into a reaction zone a phenolic compound reactant, a carbonyl compound reactant, and a catalyst promoter comprising a dithioketal compound, and reacting the ingredients within the reaction zone in the presence of an acid catalyst. |
priorityDate |
2001-04-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |