Freeze-dried hepatitis A attenuated live vaccine and its stabilizer
US6884422B1 · kind B1 · utility
8Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1999 |
| Grant date | Apr 26, 2005 |
| Priority date | — |
| Expiry date | Oct 10, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to hepatitis A vaccine, especially to a lyophilized attenuated hepatitis A vaccine which can be stored at ambient temperature for extended periods of time, and to a method for producing the same. The present invention further relates to a stabilizer for lyophilized live vaccine and its use in improving thermostability of lyophilized live vaccine during lyophilization processing and storage period after lyophilization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.