| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1374dd16777534b65ad4422333245af8 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J17-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J9-00 |
| filingDate |
1976-01-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cd10080b788f1e6d38ebda3ca8544e0e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_624bb673356d0d9bbc699c0b447c2346
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_aef09cd6facbd064b64927cfd1025971 |
| publicationDate |
1977-07-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-S5287156-A |
| titleOfInvention |
Isolation of provitamin d compounds |
| abstract |
PURPOSE: To isolate provitamin D compounds of high purity in high yields by letting a mixture of provitamin D compounds and their isomers contact an acid catalyst having a pKa of ≥ 1.5 in an organic solvent. n COPYRIGHT: (C)1977,JPO&Japio |
| priorityDate |
1976-01-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |