Metal-free barrier-layer films

B - Operations – Transporting – 32 – B

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B32B 27/08 (2006.01)

Patent

CA 2070089

METAL-FREE BARRIER-LAYER FILMS A b s t r a c t The invention relates to composite films having a particularly good barrier effect against gases and water vapor without a metal layer, for example of aluminium, having to be present. WW 5322

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