Medicinal aerosol formulations
First Claim
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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-tetrafluoroethanesaid formulation being suitable for delivery to the lung by inhalation from said aerosol container.
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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.
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Citations
1 Claim
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1. An aerosol formulation contained in an aerosol container equipped with a metering valve, said formulation comprising:
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(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.
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Specification
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Current Assignee3M Innovative Properties Company (3M Company)
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Original AssigneeRiker Laboratories, Inc. (3M Company)
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InventorsGreenleaf, David J., Purewal, Tarlochan S.
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Primary Examiner(s)Page, Thurman K.
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Assistant Examiner(s)BENSTON JR, WILLIAM E
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Application NumberUS08/471,618Time in Patent Office636 DaysField of Search424/45, 424/43, 424/44, 424/46US Class Current424/45CPC Class CodesA61K 9/008 comprising drug dissolved o...A61K 9/124 characterised by the propel...
