Title:
COATED CAN FOR A METERED DOSE INHALER
Document Type and Number:
WIPO Patent Application WO2002024552
Kind Code:
A3
Abstract:
A metered dose inhaler having part or all of its internal surfaces coated two or more times with a polymer comprising one or more fluorocarbon polymers, optionally in combination with one or more non-fluorocarbon polymers, containing an inhalation drug or a physiologically acceptable salt thereof, optionally an excipient and a fluorocarbon propellant. Also, a method for coating all or part of internal surfaces of a metered dose inhaler can comprising applying a first coat comprising a one or more fluorocarbon polymers to all or part of the internal the surfaces of a metered dose inhaler can. Subsequently, heating the first coat of fluorocarbon polymer and then applying a second coat comprising one or more fluorocarbon polymer on top of the first coat of fluorocarbon polymer. The two coats of fluorocarbon polymer are then heated to give a metered dose inhaler can that is more efficient in dispensing consistent doses of aerosol formulations.
Inventors:
BRITTO IGNATIUS LOY (US)
Application Number:
PCT/US2001/029080
Publication Date:
June 13, 2002
Filing Date:
September 18, 2001
Export Citation:
Assignee:
GLAXO GROUP LTD (GB)
BRITTO IGNATIUS LOY (US)
BRITTO IGNATIUS LOY (US)
International Classes:
A61M11/00; A61M15/00; B05D3/02; B65D83/38; B05D5/08; B05D7/00; B05D7/22; B05D7/24; B65D1/00; B65D25/14; C10M107/38; B05D7/16; C10N40/24; (IPC1-7): B65D83/14; A61M15/00; B05D7/00
Domestic Patent References:
| WO1996032099A1 | 1996-10-17 |
Foreign References:
| US3194428A | 1965-07-13 | |||
| EP0894541A1 | 1999-02-03 | |||
| EP0642992A2 | 1995-03-15 |
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