http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5354876-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0efa077d881a96aeb1e29b21ef1bbb58 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B1-503 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B1-547 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B1-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C221-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C225-36 |
| filingDate | 1993-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1994-10-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0ec19dacfed94c12c3403f1720879ba0 |
| publicationDate | 1994-10-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-5354876-A |
| titleOfInvention | Preparation and purification of 1-amino-2-phenoxy-4-hydroxyanthraquinone |
| abstract | Pure 1-amino-2-phenoxy-4-hydroxyanthraquinone is prepared by reacting 1-amino-2-halo-4-hydroxyanthraquinone with phenol in aqueous suspension at pH 9-13 and 130°-160° C., adjusting the reaction mixture pH to 9.5-11.5 after the reaction has ended, separating the reaction product from the liquid phase, and ,washing it with alkaline hypochlorite solution. |
| priorityDate | 1991-04-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 39.