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Patents

Absorbent Core Having Varied Basis Weight of Absorbent Material and Adhesive

U.S. Patent No. 9,168,186 B2

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By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Peter Armstrong-Ostle, Euskircken, Germany; Harald Hundorf, Euskircken, Germany; Brigit Wirtz, Euskircken, Germany; Torsten Frings, Euskircken, Germany; Bruno Johannes Ehrnsperger, Schwalbach, Germany; and Maike Thomann, Schwalbach, Germany. Assigned to The Procter & Gamble Company, Cincinnati, OH.
Filed: 6/8/12
Issued: 10/27/15

An absorbent core for disposable absorbent articles comprising one or more absorbent structures, said absorbent structure comprising a substrate layer and an absorbent layer, said absorbent layer comprising an absorbent material supported by, and immobilized on said substrate layer by a thermoplastic adhesive material; wherein said absorbent core has a longitudinal dimension having a length and a transverse dimension having a width and consists of nine transverse segments in its longitudinal dimension and of six longitudinal segments in its transverse dimension; wherein each of the transverse segments have a length which is equal to the width of the absorbent core and a width which correspond to 1/9 of the length of the absorbent core; wherein each of the longitudinal segments have a length which is equal to the length of the absorbent core and a width which correspond to 1/6 of the width of the absorbent core; wherein in each of said transverse segments, the absorbent layer has an average basis weight of absorbent material (APMt BWav) and an average basis weight of thermoplastic adhesive material.

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