Aerosol formulation containing a particulate medicament
US5919435A · kind A · utility
20Cited by
9References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1995 |
| Grant date | Jul 6, 1999 |
| Priority date | — |
| Expiry date | May 12, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/5015
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present application relates to aerosol formulations comprising (1) a medicament in particulate form and having a surface coating of a surfactant, (2) a hydrogen-containing fluorocarbon or chlorofluorocarbon propellant, and (3) a co-solvent having higher polarity than the propellant, which cosolvent is present in an amount of up to 5% w/w based upon propellant. The invention also relates to methods for preparation of these aerosol formulations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.