Preservation of bioactive materials by spray drying
US7258873B2 · kind B2 · utility
48Cited by
18References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2003 |
| Grant date | Aug 21, 2007 |
| Priority date | — |
| Expiry date | Jun 17, 2024 |
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.