Protective membrane and method of manufacturing same
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United States of America Patent
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Nov 15, 2016
Grant Date -
Mar 13, 2014
app pub date -
Feb 27, 2013
filing date -
Feb 28, 2012
priority date (Note) -
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Abstract
Protective membrane, in particular a waterproofing or noise insulation membrane, based on mineral or vegetable bitumen, comprising a membrane body, and a first and second surface situated on either side of said membrane body, where the first surface comprises cork particles, characterised in that said particles have a granulometry of between 0.5 and 3 mm, preferably between 1 and 3 mm, and have been heat treated with steam.
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