Security film
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United States of America Patent
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N/A
Issued Date -
Sep 11, 2008
app pub date -
Mar 7, 2007
filing date -
Mar 7, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An optically active film laminate (10) for providing colour shift effects in the visible and non-visible spectrums and which comprises a transparent film substrate (11), typically PET, which at least in part has been dyed to a dark colouration by dye or dyes applied to one side of the substrate, and a CLC coating (13) is layered over said dyed side of the film substrate (11), and preferably the other side of the film has a reflective aluminium layer (12) thereon.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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