Composite Film
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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app pub date -
Aug 24, 2015
filing date -
Mar 4, 2015
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Abstract
A composite film including at least one backing film made of a backing material, at least one barrier layer made of a barrier film and at least one laminating adhesive layer therebetween. On the side of the barrier layer away from the backing layer, the composite film has a raised pattern, and in the area of the raised pattern, the barrier layer has stretched stretching regions relative to the non-stretched barrier film. In the area of the raised pattern, the barrier layer has on the side facing the backing layer surfaces that are not joined to the backing layer.
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