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INTERFERENCE FILMS HAVING ACRYLAMIDE LAYER AND METHOD OF MAKING SAME

  • US 20080160185A1
  • Filed: 09/19/2007
  • Published: 07/03/2008
  • Est. Priority Date: 12/28/2006
  • Status: Active Grant
First Claim
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1. A color shifting film comprising:

  • a support;

    a reflective stack disposed adjacent to the support;

    wherein the reflective stack comprises an at least partially transparent spacer layer comprising a substituted acrylamide polymer disposed between a partially reflective first layer and a reflective second layer; and

    an image;

    wherein the acrylamide layer has a thickness sufficient to produce an interference color.

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