Optically active film composite
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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app pub date -
Sep 26, 2003
filing date -
Nov 14, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A transaction card includes an optically active film composite comprising a PET polymeric film substrate covered with a hard coat layer of resin having a thickness of less than 6 microns, and a pencil hardness of at least 2H, the hard coat including a polymeric resin binder with nanoparticles of Lanthanum hexaboride absorbing light having a wavelength in the range of 700-1100 nm. The composite preferably has a VLT of about 50% and a transmission in the near IR wavelength of less than 10%.
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