Patent ID: 6739333
Filing Date: 2004-05-25
Classification: A61M,B65D

Abstract:
A metered-dose inhaler having a metal cannister to hold drug and non-CFC propellant gas, comprising the following alloy forming walls of the cannister:Iron comprising about 40.0 to about 53.0%, Nickel comprising about 23.0 to about 28.0%, Chromium comprising about 19.0 to about 23.0%, Molybdenum of about 4.0 to about 5.0%, Manganese of about 0.0 to about 2.0%, Copper of about 1.0 to about 2.0%, Silicon of about 0.0 to about 1.0%, Phosphorous of about 0.0 to about 0.045%, Sulfur of about 0.0 to about 0.035% and Carbon of about 0.0 to about 0.020%.