Non-passageable virus
US5436139A · kind A · utility
9Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 1993 |
| Grant date | Jul 25, 1995 |
| Priority date | — |
| Expiry date | Jul 8, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12R2001/19
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to an expression vector containing DNA which encodes recombinant full-length hepatitis B surface antigen protein wherein said vector is free of DNA encoding hepatitis B core antigen protein in a microorganism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.