| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d202e9e866984fe229f6facc38f1d740 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C12N2730-10122
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K39-00 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07K14-005 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K39-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12H1-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12N7-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12N7-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07K14-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K39-29 |
| filingDate |
1976-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1977-07-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
ES-447858-A1 |
| titleOfInvention |
A METHOD OF PURIFICATION OF ANTIGEN FROM HEPATITIS B. |
| abstract |
Hepatitis B antigen useful as vaccine is prepared from clarified plasma of hepatitis B donors by treating with pepsin at a pH wherein pepsin is enzymatically active, treating with urea, and optionally treating with formaldehyde. |
| priorityDate |
1975-05-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |