ROOFING GRANULES INCLUDING BASE PARTICLES AND A COATING

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20130082221A1
SERIAL NO

13629282

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Abstract

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A roofing product can include roofing granules that can include substrates and a coating covering the substrates of the roofing granules. The substrates can be in the form of base particles, such as ceramic base particles or proppants, or base particles having a coating with an L* of at least approximately 55. In a particular aspect, a coating at an exposed surface of the roofing granule can include a compound that includes a metallic element; and nitrogen, carbon, or a combination of nitrogen and carbon. In another aspect, the coating has a relatively low L*, reasonably high solar reflectance, and good emissivity. The coating can be formed on a substrate using a fluidized bed. In a particular aspect, the coating can be performed as a chemical vapor deposition or a sol-gel process. If needed or desired, the roofing granules can be doped to achieve their desired properties.

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Patent Owner(s)

Patent OwnerAddress
CERTAINTEED CORPORATION20 MOORES ROAD MALVERN PA 19355

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aguiar, Rosiana Paris, FR 7 4
Faure, Regine Paris, FR 4 5
Nghiem, Bernard Arsy, FR 20 92
Shiao, Ming Liang Collegeville, US 88 882

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