Desiccant-containing stopper
AssigneeSmithKline Beecham Corporation
InventorsCharles Bernard Taskis, Paul John Whatmore
Life of this patent
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Abstract
A container having a closure comprising a closure wall having a puncturable region in communication with the interior of the vessel, and having on an inwardly facing region of the closure wall a desiccant material separated from the interior of the vessel by a semi-permeable membrane which permits transmission of water vapor therethrough but is substantially impermeable to liquid water.
Claims14
A closure capable of sealing engagement with the mouth opening of a vessel, the closure comprising a closure wall having a puncturable region therein in communication with the interior of the vessel on which the closure is in place, and having on an inwardly facing region of the closure wall a desiccant material covered with a semi-permeable membrane which permits transmission of water vapor therethrough but is substantially impermeable to liquid water.
Dependencies are inferred from the claim text.