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Self-cleaning UV reflective coating

  • US 7,288,232 B2
  • Filed: 09/24/2001
  • Issued: 10/30/2007
  • Est. Priority Date: 09/24/2001
  • Status: Expired due to Fees
First Claim
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1. An enhanced ultra-violet (UV) light reflector comprising:

  • an ultra-violet light reflective substrate; and

    a plurality of nano-particles of a photo-catalytic material partially embedded in said substrate, said nano-particles covering 0.01% to 5.0% of a surface area of said substrate so as to not materially affect UV reflectance, where said photo-catalytic material is a semiconductor material that leads to production of oxygen and hydroxyl free radicals when illuminated with ultra-violet light in the presence of water.

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