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Solar heat responsive exterior surface covering

  • US 10,053,865 B2
  • Filed: 10/27/2014
  • Issued: 08/21/2018
  • Est. Priority Date: 07/07/2006
  • Status: Active Grant
First Claim
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1. An exterior surface covering comprising:

  • (a) an outer layer having a transmission coefficient of at least 50 percent for electromagnetic radiation in the wavelength range from 700 nanometers to 2500 nanometers; and

    (b) an inner layer having a reflectance for electromagnetic radiation in the wavelength range from 700 nanometers to 2500 nanometers, the reflectance being dependent on a variable parameter, the reflectance varying by a factor of at least 0.5 as the parameter is varied over a predetermined range.

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