Preparation of suspension aerosol formulations
US9808423B2 · kind B2 · utility
0Cited by
5References
59Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2005 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Oct 26, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0043
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides processes for preparing suspension aerosol formulations, wherein the particles for inhalation are formed in situ during the process of manufacturing the formulation. In one aspect of the invention, a process for preparing a suspension aerosol formulation comprises the steps of: (a) dissolving one or more medicaments in one or more solvents to form a solution; and (b) mixing one or more propellants with the solution under conditions effective to precipitate, entirely or partially, at least one of the medicaments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.