Stabilized vaccine compositions
US5618539A · kind A · utility
12Cited by
5References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1994 |
| Grant date | Apr 8, 1997 |
| Priority date | — |
| Expiry date | Sep 29, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Non-lyophilized vaccine compositions which contain a poliovirus and, as stabilizer, a compound containing at least two amino or imine groups. The stabilizers include polyimines such as the amino acid lysine or ethylenediamine and polyimines such as poly(ethylenimine).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.