http://rdf.ncbi.nlm.nih.gov/pubchem/patent/PL-159492-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C237-26 |
| filingDate | 1989-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1992-12-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | PL-159492-B1 |
| titleOfInvention | 6-deoxy-5-hydroxytetracycline hydrochloride purification method PL |
| abstract | Purification method of 6-deoxy-5-hydroxy-tetracycline hydrochloride, characterized in that the impure 6-deoxy-5-hydroxytetracycline hydrochloride is suspended in water containing 50-70% ethyl alcohol, then formic acid is added at a temperature of 20-50 ° C until the hydrochloride is dissolved, then optionally the solution is purified with activated charcoal and filtered, the filtrate is added with hydrochloric acid and 6-deoxy-5-hydroxytetracycline hydrochloride is dissolved as a solvate with 1/2 water molecule and 1/2 ethanol particle. PL |
| priorityDate | 1989-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.