Details for Patent: 5,605,674
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Title: | Medicinal aerosol formulations |
Abstract: | A self-propelling aerosol formulation which may be free from CFC's which comprises a medicament, 1,1,1,2-tetrafluoroethane, a surface active agent and at least one compound having a higher polarity than 1,1,1,2-tetrafluoroethane. |
Inventor(s): | Purewal; Tarlochan S. (Leamington Spa, GB2), Greenleaf; David J. (Loughborough, GB2) |
Assignee: | Riker Laboratories, Inc. (St. Paul, MN) |
Filing Date: | May 31, 1995 |
Application Number: | 08/471,618 |
Claims: | 1. An aerosol formulation contained in an aerosol container equipped with a metering valve, said formulation comprising: (a) a therapeutically effective amount of a medicament; and (b) a propellant substantially free of chlorofluorocarbons, said propellant comprising 1,1,1,2-tetrafluoroethane said formulation being suitable for delivery to the lung by inhalation from said aerosol container. |