| titleOfInvention |
Aerosol pharmaceutical composition, process for its preparation, method of treatment of respiratory diseases, surfactant for such compositions and process for obtaining the aerosol pharmaceutical composition, containing powdered drug, carbon fluoride propellant or carbon chlorofluoride content of hydrogen and surfactant of the formula <CHFORM> wherein n represents an integer from 1 to 18m represents an integer from 0 to 17; and R 1, R 2 and R 3 each independently represent a hydrogen atom or a C 1-4 alkyl group. Claims: 20 |