BITUMEN ROOFING COMPOSITE
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United States of America Patent
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Issued Date -
Oct 28, 2021
app pub date -
Dec 30, 2020
filing date -
Apr 23, 2020
priority date (Note) -
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Abstract
A bitumen roofing composite is described having an upper surface and a lower surface. The bitumen roofing composite contains a first composite bitumen layer and a fire resistant (FR) fleece. The first composite bitumen layer has a first side and a second side and contains a first carrier saturated with bitumen. The FR fleece has a first side and a second side, where the first side of the FR fleece and the second side of the first bitumen composite layer are in intimate contact. The FR fleece contains a plurality of FR staple fibers and a plurality of first char scaffold fibers.
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