Sonic low pressure spray drying
US8268354B2 · kind B2 · utility
12Cited by
47References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2008 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Dec 17, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D1/18
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention provides methods of spray drying pharmaceutical powders from a vibrating nozzle at low pressures. The method can effectively spray dry thick or viscous solutions or suspensions to provide small uniform particles. The invention includes dry particle compositions prepared by methods of low pressure spraying from vibrating nozzles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.