Window and door flashing, roofing underlayment, protection course, root block and sound control underlayment material products
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United States of America Patent
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Jun 26, 2012
Grant Date -
Dec 16, 2010
app pub date -
Jun 10, 2009
filing date -
Jun 10, 2009
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A window or door flashing or roofing material, containing no asphalt, either mechanically fastened or self-adhering comprising a mixture of: one or more ethylene based elastomers having a melting point below 160° F., in an amount of 10-40% based on the total weight of the product; one or more semi-crystalline, non-elastomer alpha olefin-based polymers having a melting point above 160° F. in an amount of about 10-40% based on the total weight of the product; and a rubber fraction of ground, vulcanized rubber having a size up to about 18 mesh, US Sieve Series, in an amount of about 10% to about 75%, based on the total weight of the product.
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Cited Art Landscape
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