Spunbond Fleece of Polymer Fibers and Its Use
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United States of America Patent
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Issued Date -
Feb 7, 2008
app pub date -
Apr 6, 2004
filing date -
Apr 6, 2004
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Abstract
The invention relates to a spun-bonded non-woven made of polymer fibers. These polymer fibers have a non-circular cross-section and a low fiber count. The polymer fibers have predominant directions in the spun-bonded non-woven. The spun-bonded non-woven has a high optical and/or physical opacity while having a low mass per unit area.
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