Laser markable security film
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United States of America Patent
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Jun 30, 2015
Grant Date -
Aug 30, 2012
app pub date -
Dec 17, 2010
filing date -
Dec 18, 2009
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Abstract
A security film including, in order, a transparent biaxially oriented polyethylene terephthalate support (1), a subbing layer (2, 2′) and a laser markable layer (3, 3′) comprising a laser additive and one or more polymers selected from the group consisting of polystyrene, polycarbonate and styrene acrylonitrile.
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