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Patents

Absorbent Articles Having Apertured, Three-Dimensional Materials and Methods for Making Same:

U.S. Patent No. 11,382,801

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By: Karen McIntyre

Editor, Nonwovens Industry

Gueltekin Erdem, Beijing, China; Sascha Kreisel, Schwalbach am Taunus, Germany; and Weidong Wu, Beijing, China.
Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 9/26/18
Issued: 7/12/22

An absorbent article comprising: a nonwoven, liquid permeable topsheet; a liquid impermeable backsheet; and an absorbent core disposed at least partially intermediate the topsheet and the backsheet; wherein the topsheet comprises: a layer of fibers; wherein the Basis Weight of the topsheet is in the range of about 10 gsm to about 35 gsm, according to the Basis Weight Test herein; a plurality of apertures defined in the layer of fibers; wherein the topsheet has an Effective Open Area in the range of about 15% to about 30%, according to the Aperture Test herein; wherein the topsheet comprises a wearer-facing surface and a garment-facing surface; wherein at least some of the apertures have a wearer-facing opening area and a garment-facing opening area, wherein the wearer-facing opening area extends in a first plane, wherein the garment-facing opening area extends in a second plane, wherein the first plane is parallel to the second plane, wherein the wearer-facing opening area is positioned directly opposite the garment-facing opening area, and wherein the wearer-facing opening area is larger than the garment-facing opening area; wherein at least some of the apertures comprise a side wall, wherein at least a portion of the side wall has an angle in the range of about 55 degrees to about 90 degrees, according to the 2D X-Ray CT Scan Test herein, and wherein the garment-facing opening area is not formed in the side wall; wherein the garment-facing opening area of at least some of the apertures is in the range of about 1.0 mm2 to about 7.5 mm2, according to the 2D X-Ray CT Scan Test herein; wherein the wearer-facing opening area of at least some of the apertures is in the range of about 2 mm2 to about 12 mm2, according to the 2D X-Ray CT Scan Test herein; and wherein at least some of the apertures have a central major axis dimension and a central minor axis dimension, and wherein the central major axis dimension is greater than 1.5 mm, when measured at the garment-facing opening area, according to the 2D X-Ray CT Scan Test herein.

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