Roofing granules with high solar reflectance, roofing materials with high solar reflectance, and the process of making the same
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United States of America Patent
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Sep 13, 2016
Grant Date -
Nov 6, 2014
app pub date -
Jun 24, 2014
filing date -
Dec 16, 2008
priority date (Note) -
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Abstract
Roofing granules include a core having an average ultraviolet transmission of greater than sixty percent and an average near infrared reflectance of greater than sixty percent and a UV coating layer on the exterior surface. The coating provides UV opacity, while the core provides near infrared reflectance.
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Cited Art Landscape
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