Multilayer polymer film with additional coatings or layers
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United States of America Patent
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May 18, 2004
Grant Date -
Feb 7, 2002
app pub date -
Apr 16, 2001
filing date -
Jun 26, 1995
priority date (Note) -
Expired
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Abstract
A multilayer polymer film has an optical stack including a plurality of alternating polymer layers with skin layers having mechanical, optical, or chemical properties differing from those of the layers in the optical stack. In one embodiment, the multilayer polymeric film has one or more holograms that provide attractive and useful optical effects.
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