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Visibly transparent retroreflective materials

  • US 20030016368A1
  • Filed: 07/23/2001
  • Published: 01/23/2003
  • Est. Priority Date: 07/23/2001
  • Status: Abandoned Application
First Claim
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1. A retroreflective structure comprising:

  • a substantially visually transparent optical body having an underside and an upper surface adapted to receive incident energy; and

    a matrix of one or more compounds placed adjacent to the underside of the optical body and adapted to reflect a portion of the non-visible spectrum such as ultraviolet or infrared while being substantially transmissive to all other energy.

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