WATERPROOF VAPOR-PERMEABLE MULTILAYER ARTICLE
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United States of America Patent
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app pub date -
Apr 21, 2011
filing date -
Dec 30, 2003
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Abandoned
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Abstract
A waterproof vapor-permeable multilayer article, comprising at least one first layer made of a material that is vapor-permeable and microporous and is at least partially hygroscopic or can assume hygroscopic characteristics over time, and at least one second layer that is waterproof and vapor-permeable.
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