Respiratory dispersion for metered dose inhalers comprising perforated microstructures
US8246934B2 · kind B2 · utility
14Cited by
419References
19Claims
0Family size
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Key dates
| Filing date | Sep 3, 2010 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Sep 3, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/926
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A respiratory dispersion for pulmonary delivery comprises one or more bioactive agents, a suspension medium, and a plurality of perforated microstructures having a mean aerodynamic diameter of less than 5 μm. The suspension medium comprises at least one propellant and permeates the perforated microstructures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.