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Layered absorbent structure with a zoned basis weight and a heterogeneous layer region

  • US 6,437,214 B1
  • Filed: 01/06/2000
  • Issued: 08/20/2002
  • Est. Priority Date: 01/06/2000
  • Status: Expired due to Term
First Claim
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1. An absorbent article, comprising:

  • a backsheet layer, a substantially liquid permeable topsheet layer, an absorbent composite structure sandwiched between said backsheet and topsheet layers, said absorbent composite including an absorbent core having a first primary layer region and at least a second primary layer region;

    said second primary layer region having a selectively zoned, non-uniform basis weight;

    at least one of said first and second primary layer regions including a plurality of sublayers;

    at least one of said first and second primary layer regions having a Liquid Wicking Value of at least about 38%; and

    at least one of said primary layer regions including a superabsorbent material which exhibits a Tau value of not less than about 0.8 min.

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