Aerosol formulations containing P134a and particulate medicaments
US5653962A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 1995 |
| Grant date | Aug 5, 1997 |
| Priority date | — |
| Expiry date | May 19, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K45/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to a pharmaceutical aerosol formulation containing a particulate medicament which is salmeterol or a physiologically acceptable salt or solvate thereof end 1,1,1,2-tetrafluoroethane as propellant, which formulation is free of surfactant or has less than 0.0001 % w/w surfactant based on the weight of medicament. The formulation may contain a further particulate medicament which is salbutamol, beclomethasone dipropionate or a physiologically acceptable salt or solvate thereof. A method of treating respiratory disorders which comprises administration by inhalation of an effective amount of the pharmaceutical aerosol formulation is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.