SELF REPAIRING ROOF MEMBRANE
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United States of America Patent
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N/A
Issued Date -
Apr 23, 2009
app pub date -
Oct 18, 2007
filing date -
Oct 18, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A self repairing roof membrane includes a water impervious layer such as EPDM covering a layer including a water swellable polymer. Preferably, the water swellable polymer is bound to a nonwoven web. If a tear is formed through the membrane, water that passes through the tear will be absorbed by the water swellable polymer, which will form a hydrogel and plug the tear.
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Family
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Cited Art Landscape
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