CRC-free medicinal aerosol formulations of 1,1,1,2-tetrafluoroethane (134A) with polar adjuvant
A medicinal aerosol formulation including 0.01-5% medicament, at least 50% by weight 1,1,1,2-tetrafluoroethane (134a), less than 5% surface active agent, and at least one compound having higher polarity than 1,1,1,2-tetrafluoroethane, and which is free of chlorofluorocarbons and propellants CHClF.sub.2, CH.sub.2 F.sub.2 and CF.sub.3 CH.sub.3.
Purewal; Tarlochan S. (Leamington Spa, GB), Greenleaf; David J. (Loughborough, GB)
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