Flat needle-punched non woven of natural and/or synthetic fibers
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United States of America Patent
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Dec 11, 2007
Grant Date -
May 18, 2006
app pub date -
Jul 12, 2002
filing date -
Jul 18, 2001
priority date (Note) -
Expired
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Abstract
The invention relates to a flat needle-punched non woven of natural and/or synthetic fibers having a weight per unit area within a range of from 200 to 1600 g/m.sup.2, characterized in that one tenth to one hundredth of at least one of the two main surfaces has a surface coating in the form of a pattern.
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