Patents

Absorbent Core Comprising a High Loft Central Layer and Channels:

U.S. Patent No. 11,110,014

Ernesto Gabriel Bianchi, Oberursel, Germany; and Bruno Johannes Ehrnsperger, Bad Soden, Germany.
Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 12/11/15
Issued: 9/7/21

An absorbent core for use in an absorbent article, the absorbent core extending in a transversal direction and a longitudinal direction, the absorbent core comprising: a fluid-permeable top layer; a bottom layer; a central layer sandwiched between the top layer and the bottom layer, the central layer having a front edge, a back edge and two longitudinally extending side edges, wherein the central layer is a high loft fibrous nonwoven layer comprising synthetic fibers, the synthetic fibers comprising polypropylene (PP) fibers; and superabsorbent polymer particles blended with the synthetic fibers of the central layer and wherein the central layer has a density of about 0.200 g/cc or less, measured at a pressure of 4.14 kPa; wherein the central layer comprises one, two or more longitudinally-extending channels substantially free of superabsorbent polymer particles.

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