Membrane device for the release of volatile compositions
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United States of America Patent
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Sep 12, 2017
Grant Date -
Feb 20, 2014
app pub date -
Jul 16, 2013
filing date -
Jul 16, 2012
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Abstract
A membrane device is intended for the release of volatile compositions. The membrane device includes one or more membrane layers which are permeable to the volatile composition and which are positioned within a vapor impermeable package such as package formed by an upper and lower vapor impermeable panel. The upper vapor impermeable panel includes a window that allows access to the membrane layer for activation of the membrane device. The membrane device can also include decorative portions for aesthetic appeal.
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