Dry aerosol suspension of phospholipid-stabilized drug microparticles in a hydrofluoroalkane propellant
US6086376A · kind A · utility
79Cited by
12References
16Claims
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Key dates
| Filing date | Jan 30, 1998 |
| Grant date | Jul 11, 2000 |
| Priority date | — |
| Expiry date | Jan 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/89
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Aerosol formulations containing stabilized particles of drug microparticles with a mean size range of 0.1 to 10 microns coated with a membrane-forming, amphiphatic lipid and dispersed in 1,1,1,2-tetaafluoroetiane (HFA 134a) of 1,1,1,2,3,3,3-heptafluoropropane (HFA 227) propellant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.