ACOUSTIC TILE
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United States of America Patent
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N/A
Issued Date -
Dec 8, 2011
app pub date -
May 17, 2009
filing date -
Jul 22, 2008
priority date (Note) -
Abandoned
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Abstract
An acoustic tile comprising a perforated support wherein one of the faces is covered on its entire surface with a nonwoven material, characterized in that the material is coated on at least one face by a photocatalytic composition comprising at least one photocatalyst agent.
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