| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b09f893b262cefd50c5e76c4b85d1c0a |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D315-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-88
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D315-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D305-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-90 |
| filingDate |
1988-04-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dc8097bf26ffa300d09a63e1d005eda5
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b10f00026b947dec44c337889b187e59 |
| publicationDate |
1988-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0287894-A2 |
| titleOfInvention |
Process for reducing the amount of ketene trimer in diketene |
| abstract |
Process for reducing the ketene trimer content in the raw diketene by adding water, alcohol, phenols and carboxylic acids to the diketene and heating to 50 to 130 ° C. |
| priorityDate |
1987-04-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |