| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_387abf6afc9a2cd5cfa5cd4d35f8b9fe |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2663
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-4866
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G2-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2609
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G2-06 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G2-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-56 |
| filingDate |
2020-06-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2021-12-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-3922661-A1 |
| titleOfInvention |
Method for the preparation of polyoxymethylene polyoxyalkylene copolymers |
| abstract |
The present invention describes a process for producing a polyoxymethylene-polyoxyalkylene copolymer comprising the reaction of a polymeric formaldehyde compound of an alkylene oxide and a specific component (X) in the presence of a double metal cyanide (DMC) catalyst. It also relates to polyoxymethylene-polyoxyalkylene copolymer obtainable by such a process and its use for the production of a polyurethane polymer. |
| priorityDate |
2020-06-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |