| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_387abf6afc9a2cd5cfa5cd4d35f8b9fe |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-82
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2663
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2615 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-66
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2615
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2663
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L75-08 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-66 |
| filingDate |
2018-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2020-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-3670571-A1 |
| titleOfInvention |
Method for producing a polyester-polyetherpolyol block copolymer |
| abstract |
The invention relates to a process for producing a polyester-polyether polyol block copolymer by reacting an H-functional starter substance with lactone in the presence of a catalyst to give a polyester, followed by reacting the polyester from step i) with alkylene oxides in the presence of a catalyst (B) . Another subject is the polyester-polyether polyol block copolymer obtainable by the present process. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112851918-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112851918-A |
| priorityDate |
2018-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |