US Patent 7213593 Two-chamber cartridge for propellant-free metering aerosols

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Patent Number

Patent Inventor Names

Dieter Hochrainer0

Date of Patent

May 8, 2007

Patent Application Number

11178690

Date Filed

July 11, 2005

Patent Citations Received

Patent Primary Examiner

Patent abstract

A cartridge having two chambers for separate storage of active substance and solvent.

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