Method for progressive separation and extraction of raw materials from residential roofing products
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United States of America Patent
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Sep 13, 2016
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N/A
app pub date -
Oct 12, 2015
filing date -
Jan 31, 2012
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Abstract
This invention relates to a progressive method of separating and extracting raw materials from residential roofing products for re-use as ingredients for asphalt and fiberglass related products, including roofing materials. The method includes reduction, separation, beneficiation and extraction of raw materials. The resulting products are alternative roofing granules, asphalt coated limestone, limestone, recycled asphalt and recycled fiberglass strand powders.
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Cited Art Landscape
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