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    • 4. 发明授权
    • Aerosol filling method
    • 气溶胶灌装法
    • US5275212A
    • 1994-01-04
    • US22335
    • 1993-02-24
    • Robert A. Moris
    • Robert A. Moris
    • B65B31/00B65B1/04B65B3/04
    • B65B31/003
    • A process for preparing a medicinal aerosol formulation containing a propellant that is gaseous at standard temperature and pressure and filling the formulation into a metered dose aerosol canister. The process involves mixing the propellant and the drug at ambient temperature and under pressure sufficient to liquify the propellant to afford a formulation. The formulation is cooled to a temperature sufficiently low to liquify the propellant at atmospheric pressure and filled into aerosol canisters in an environment of controlled humidity. An aerosol valve is placed on each aerosol canister and the finished canisters are removed from the controlled environment.
    • 一种制备含有在标准温度和压力下为气态并将制剂填充到计量剂量气溶胶罐中的推进剂的药用气溶胶制剂的方法。 该方法包括在环境温度和压力下混合推进剂和药物,足以使推进剂液化以提供制剂。 将制剂冷却到足够低的温度以在大气压下液化推进剂,并在受控湿度的环境中填充到气溶胶罐中。 在每个气溶胶罐上放置一个气溶胶阀,将完成的罐从受控环境中取出。