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Wearable Article Having A Temperature Element

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By: Karen McIntyre

Editor, Nonwovens Industry

US Patent No.: 8,273,940 B2
Inventor(s): Donald C. Roe, West Chester, OH, US; Patrick J. Allen, Cincinnati, OH, US; and Edward P. Carlin, Maineville, OH, US. Company: The Procter & Gamble Company, Cincinnati, OH, US.
Filed: 10/2/09
Issued: 9/25/12

A disposable diaper having a longitudinal axis, a first waist region, a second waist region, and a crotch region interposed therebetween, the disposable diaper comprising: a backsheet; a topsheet joined to the backsheet, the topsheet having a body-facing surface, wherein the topsheet is elastically foreshortened; an absorbent core disposed intermediate the backsheet and the topsheet; and a temperature change element attached to the topsheet, the temperature change element including a permeable layer, an impermeable layer disposed opposite the permeable layer, and a temperature change substance interposed therebetween, wherein urine deposited onto the temperature change element can penetrate through the permeable layer in a z direction to the impermeable layer and wherein the impermeable layer prevents urine from passing completely through the temperature change element in the z direction and supports the movement of urine in an x-y plane to wet the temperature change substance.

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