Nonwoven fabrics having raised portions
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United States of America Patent
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Apr 20, 2004
Grant Date -
N/A
app pub date -
Oct 7, 1999
filing date -
Sep 16, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
Nonwoven fabrics having a fibrous background portion in one plane thereof and raised fibrous portions in another plane thereof. There may be two types of raised portions. In one type, the basis weight of the raised portion is substantially the same as the basis weight off the background portion. In another type of raised portion, the basis weight is greater than the basis weight of the background portion. The raised portions are joined to the background portion try a fibrous transition region.
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