LIQUID PHARMACEUTICAL COMPOSITION AS AN AEROSOL Russian patent published in 1999 - IPC

FIELD: chemical-pharmaceutical industry. SUBSTANCE: composition has an active component, at least one an organic solvent, at least one partially fluorinated hydrocarbon as a propellent and, additionally, at least one an inorganic or an organic acid. Composition has 1,1,1,2-tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoropropane as fluorinated hydrocarbon; an organic solvent is ethyl alcohol; an inorganic acid is taken from a group including sulfuric, hydrochloric, nitric and phosphoric acid; an organic acid is taken from a group including ascorbic and citric acid; an active component is taken from a group including ipratropium bromide, oxytropium bromide, albuterol, pentaproterenol, triotropium bromide and fenoterol. EFFECT: improved stability to destruction and decomposition of an active substance. 13 cl, 6 tbl