Formulation for a metered dose inhaler using hydro-fluoro-alkanes as propellants
US7914770B2 · kind B2 · utility
2Cited by
14References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2004 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Jan 21, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/008
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An improved suspension formulation for use in a metered-dose inhaler having a hydro-fluoro-alkane propellant is described, the improvement being the controlled addition of a small quantity of water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.