Separation of hepatitis B surface antigen
US4349539A · kind A · utility
8Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 15, 1980 |
| Grant date | Sep 14, 1982 |
| Priority date | — |
| Expiry date | Aug 15, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S530/83
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Fluid containing hepatitis B surface antigen (HBsAg) is concentrated and separated from contaminating material by ultrafiltration before undergoing further processing to isolate HBsAg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.