| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_387abf6afc9a2cd5cfa5cd4d35f8b9fe |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D167-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09J167-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-823
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-08 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-87
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-82 |
| 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-3670568-A1 |
| titleOfInvention |
Method for producing a polyester |
| abstract |
The invention relates to a process for the preparation of a polyester by reacting an H-functional starter substance with a lactone in the presence of a catalyst, the H-functional compound having one or more free carboxy group (s) and the catalyst being a Bronsted acid or a Double metal cyanide (DMC) catalyst is. Another subject is the polyester obtainable according to the present invention. |
| priorityDate |
2018-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |