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INFRARED RADIATION REFLECTING INSULATED GLAZING UNIT

  • US 20090068384A1
  • Filed: 05/31/2007
  • Published: 03/12/2009
  • Est. Priority Date: 06/06/2006
  • Status: Active Grant
First Claim
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1. An insulated glazing unit comprising:

  • a first transparent substrate spaced apart from a parallel second transparent substrate;

    a sealed void space defined between the first transparent substrate and the second transparent substrate; and

    at least one infrared radiation reflecting multilayer polymeric film disposed between the first transparent substrate and the second transparent substrate;

    wherein the infrared radiation reflecting multilayer polymeric film comprises a plurality of alternating polymeric layers of a first polymer material and a second polymer material and at least one of the alternating polymer layers is birefringent and oriented and the alternating polymeric layers cooperate to reflect infrared radiation.

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