| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5c24684033fba97d1ad845ce453a57e3 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-89 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-89 |
| filingDate |
1995-10-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1998-10-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_330147e32c24bdc963f064467f3add2f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_756ece6e73b47f9f4c9ad49c1144551e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4ff219596106236eb3d8c04e16333fa2 |
| publicationDate |
1998-10-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-5817825-A |
| titleOfInvention |
Process for the preparation of 1-hydroxy-2-pyridones |
| abstract |
A process for the preparation of 1-hydroxy-2-pyridones is described in which a pyrone is reacted with a hydroxyl-ammonium salt in the presence of basic compounds, solvents and organic acids or salts thereof. |
| priorityDate |
1994-11-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |