| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bc905cbef116a1ec61d12125af9427f3 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2615
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-20 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-24 |
| filingDate |
1994-06-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ac98a05026275933a64772715e904478
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_27abe15a843ea5bb0f4820eb75b4cb39
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e0c9da8a5f5ee178e00f340a12fc9fcc
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0f585e285e937c6f05e1a5a1ee90d5fa
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_86d1cce5e5e1baf631d9c00332ada4fc
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b184f5ccc76cb7b87d3afbbb3360deb7 |
| publicationDate |
1996-01-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
DE-4421788-A1 |
| titleOfInvention |
Process for the preparation of a polyalkylene ether with ester end caps |
| abstract |
A process for preparing ester end-capped polyalkylene ether (I) comprises oligomerically polymerising a 3-6C cyclic ether at 10-80 deg C/0-10 atm. in the presence of a catalyst comprising a solid acid of a mixed oxide of the group (III) and group (IV) having a Ho (Hamelt) index of +3.0 to -10.0 and a mixture of an acid and an acid anhydride acting as molecular weight modifier. The resulting (I) is separated from the catalyst. |
| priorityDate |
1993-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |