Preservation of bioactive materials by spray drying
US8273374B2 · kind B2 · utility
3Cited by
19References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2011 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Jul 29, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2760/16251
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention provides methods and compositions to preserve bioactive materials in a matrix of powder particles. Methods provide high-pressure gas spraying and/or near supercritical spraying of formulations followed by drying in a stream of conditioned gas to form stable powder particles containing bioactive materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.