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Generated: July 22, 2017

DrugPatentWatch Database Preview

Claims for Patent: 5,766,573

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Claims for Patent: 5,766,573

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)
Application Number:08/783,737
Patent Claims: 1. In the method of delivering an aerosol formulation containing a medicament from an aerosol container equipped with a metering valve, said formulation being suitable for delivery to the lung by inhalation from said container, the improvement comprising using in said formulation a propellant essentially free of chlorofluorocarbons and comprising 1,1,1,2-tetrafluoroethane.

2. A method according to claim 1, wherein said improvement further comprises the use of a compound selected from the group consisting of ethyl alcohol, isopropyl alcohol, n-pentane, isopentane, neopentane, and isopropyl myristate.

3. A method according to claim 1, wherein said medicament is salbutamol, beclomethasone dipropionate, disodium cromoglycate, pirbuterol, isoprenaline, adrenaline, rimiterol, or ipratropium bromide.
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Serving 500+ biopharmaceutical companies globally:

Baxter
Citi
Express Scripts
AstraZeneca
Boehringer Ingelheim
Cantor Fitzgerald
Fish and Richardson
Fuji
Novartis
Mallinckrodt

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