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Patents

Absorbent Structure for Absorbent Articles:

U.S. Patent No. 11,110,011

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By: Karen McIntyre

Editor, Nonwovens Industry

Rodrigo Rosati, Frankfurt am Main, Germany; Carsten Heinrich Kreuzer, Hofheim, Germany; Hans Adolf Jackels, Mechernich, Germany; Blanca Arizti, Frankfurt am Main, Germany; Ernesto G. Bianchi, Oberursel, Germany; and Donald Carroll Roe, West Chester, OH.

Filed: 10/15/18
Issued: 9/7/21

An absorbent structure, comprising: a supporting sheet and an absorbent layer of absorbent material comprising a superabsorbent polymer material, said absorbent layer being supported by and immobilized on said supporting sheet; and said absorbent layer having: a transverse dimension and an average width W, a longitudinal dimension and average length L, and a height dimension; a first longitudinally extending side portion on one side of a longitudinal axis and a second longitudinally extending side portions on the other side of the longitudinal axis; a front region, back region and therein between a crotch region, each arranged sequentially in said longitudinal dimension; and at least a first continuous, substantially longitudinally extending channel and a second continuous, substantially longitudinally extending channel that are substantially free of said superabsorbent polymer material and extending through the height of said absorbent layer, said first channel being present in said first side portion’s front region only and said second channel being present in said second side portion’s front region only, and a further channel, wherein the further channel is at least present in the crotch region.

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