Lyophilization process for live viral compositions
US4273762A · kind A · utility
16Cited by
15References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1979 |
| Grant date | Jun 16, 1981 |
| Priority date | — |
| Expiry date | Dec 3, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2760/18434
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Lyophilization time of live viral compositions is reduced and output per lyophilization unit is increased by lyophilizing a reduced volume of a more concentrated viral composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.