Spray freeze dry of compositions for pulmonary administration
US8293275B2 · kind B2 · utility
1Cited by
13References
29Claims
0Family size
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Key dates
| Filing date | Sep 1, 2010 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Sep 24, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention provides methods and compositions to preserve bioactive materials, such as viruses, bacteria, cells, or liposomes, in freeze dried particles suitable for pulmonary administration. Methods provide spray freeze drying of formulations to form stable freeze dried particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.