Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5ddadb999be4f451dfc44d8e359d8f6a |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-78 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-80 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-80 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-78 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K5-5317 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K5-5313 |
filingDate |
2004-09-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f0f7dfbb6724bcdf4135a14358f55904 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_febb0ae79af1335ef87c4fbd7d49b1d5 |
publicationDate |
2006-06-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
EP-1664181-A1 |
titleOfInvention |
Process for improving color of polycondensates |
abstract |
The present invention relates to a process of preparing a polycondensate in the presence of a fluorescent whitening agent and at least one phosphonate and/or phosphinate. Further aspects of the invention are a polyester prepared according to this process and composition comprising a polycondensate, a fluorescent whitening agent and at least one phosphonate and/or phosphinate. Yet another aspect is the use of a fluorescent whitening agent and at least one phosphonate and/or phosphinate for improving the color of a polycondensate. |
priorityDate |
2003-09-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |