Method for preparing metered dose sprayed inhaler for treating respiratory disease
US9241904B1 · kind B1 · utility
1Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2012 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Apr 28, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B3/003
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is related to metered dose inhalation formulas and manufacturing process. The active pharmaceutical ingredient can be beta-2 agonists, corticosteroids, or a combination thereof. The inhalation formulas are homogenized suspensions with hydrofluoroalkane (HFA) propellant, minimal amount of ethanol and polyetheleneglycol (PEG) as suspending and particle size modifying agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.