Pharmaceutical aerosol formulation comprising a medicament, a propellant and a fluorinated surfactant
US5849265A · kind A · utility
48Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1997 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Mar 27, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A pharmaceutical aerosol formulation which comprises particulate medicament, a fluorocarbon of hydrogen-containing chlorofluorocarbon propellant and a surfactant of general formula (I), wherein n is an integer of 1 to 18; m is an integer of 0 to 17; and R.sup.1, R.sup.2 and R.sup.3 are each independently a hydrogen atom or a C.sub.1-4 alkyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.