| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3e9445e5e3626f36e932c6451a928250 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B1-503
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B1-542 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C225-36
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C221-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B1-54 |
| filingDate |
1982-07-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1984-12-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4c4d3df165917ce955a9f48822039a33 |
| publicationDate |
1984-12-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-1178954-A |
| titleOfInvention |
Process for producing 1-amino-4-hydroxy- anthraquinones |
| abstract |
Case 1-13490/+ Process for producing 1-amino-4-hydroxy-anthraquinones Abstract 1-Amino-4-hydroxy-2-phenoxy- or -2-alkoxyanthraquinones are obtained by reaction of a l-amino-2-halo-4-hydroxy-anthraquinone with an alcohol or phenol. The reaction is performed in an organic solvent in the presence of an alkaline-acting agent and a phase-transfer catalyst. |
| priorityDate |
1981-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |