| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0efa077d881a96aeb1e29b21ef1bbb58 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-582 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D307-08 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J21-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D307-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 |
| filingDate |
1979-12-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_309e9605acc5e0858f06b8f092b1e14e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_378b2356e7307ec08978946ae1b6aaa0 |
| publicationDate |
1980-07-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0013373-A1 |
| titleOfInvention |
Process for the preparation of tetrahydrofuran |
| abstract |
Process for the preparation of tetrahydrofuran by heating a carboxylic acid diester of 1,4-butanediol in the gas phase at a temperature above about 160 ° C using an alumina catalyst which is obtained by drying an aluminum hydroxide gel precipitated from aqueous aluminum sulfate solution with a basic agent at 70 is obtained up to 120 ° C. |
| priorityDate |
1978-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |