Generated: December 18, 2017
DrugPatentWatch Database Preview
Details for Patent: 4,414,209
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Summary for Patent: 4,414,209
|Title:|| Micronized aerosol steroids|
|Abstract:||An antiinflammatory steroid exhibiting a tendency to crystal growth in suspension in aerosol propellants is contacted with a halogenated hydrocarbon to form a crystalline solvate, which, after removal of some or all of the propellant from the crystals, is reduced to a particle size permitting inhalation into the human bronchial system when dispersed as an aerosol, the micronized crystalline solvate not thereafter exhibiting crystal growth in the aerosol propellant. The solvate is a new composition of matter which has been characterized by I.R. spectra and the aerosol formulation prepared therefrom has valuable therapeutic properties, particularly in the treatment of asthma.|
|Inventor(s):|| Cook; Peter B. (Standon, GB2), Hunt; John H. (Theydon Bois, GB2) |
|Assignee:|| Allen & Hanburys Limited (London, GB2) |
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Foreign Priority and PCT Information for Patent: 4,414,209
|Foriegn Application Priority Data|
||Foreign Patent Number
||Foreign Patent Date
|United Kingdom||18421/72||Apr 20, 1972|
International Patent Family for Patent: 4,414,209
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