Pressurised metered dose inhalers (MDI)
AssigneeChiesi Farmaceutici S.p.A.
InventorsDavid Lewis, David Ganderton, Brian Meakin, Paolo Ventura, Gaetano Brambilla, Raffaella Garzia
Life of this patent
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Abstract
The invention relates to the use of pressurised metered dose inhalers (MDIs) having part or all of their internal surfaces consisting of stainless steel, anodised aluminium or lined with an inert organic coating; and to compositions to be delivered with said MDIs.
Claims16
A pressurized metered dose inhaler comprising a container equipped with a metering valve and containing a pressurized aerosol formulation comprising
- budesonide, a propellant vehicle, and an antioxidant, wherein said budesonide is completely dissolved in the propellant vehicle and said propellant consists of one or more hydrofluroralkanes and a cosolvent,
- wherein at least a part of the inner surfaces of said pressurized metered dose inhaler is composed of stainless steel.
A pressurized metered dose inhaler comprising a container equipped with a metering valve and containing a pressurized aerosol formulation comprising
- budesonide, a propellant vehicle, and an antioxidant, wherein said budesonide is completely dissolved in the propellant vehicle and said propellant consists of one or more hydrofluroralkanes and a cosolvent,
- wherein at least a part of the inner surfaces of said pressurized metered dose inhaler is composed of anodized aluminum.
Dependencies are inferred from the claim text.