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Medicinal Aerosol Formulation Receptacle and Production Thereof
W.Wang, L.Li, and R.Stewart, D.Hodson
3M Innovation Properties Company, US Patent Office. US 2007/0267009 . 2007 Nov 22..
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Abstract
A hermetically sealed metal receptacle containing a medicinal aerosol formulation, preferably a pressurized medicinal aerosol formulation, or a liquefied aerosol propellant, wherein at least a portion of the receptacle comprises metal foil having a thickness of from 25 μm to 250 μm which is laser welded to form an hermetic seal.