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Patents

Breathable and Liquid Impermeable Web and Method of Making the Web:

U.S. Patent No. 10,206,828

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By: Karen McIntyre

Editor, Nonwovens Industry

Barry Jay Anderson, Spokane, WA; Todd Leon Mansfield, Cincinnati, OH; George Christopher Dobrin, Mason, OH; and Suna Polat, Montgomery, OH.
Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 12/6/17
Issued: 2/19/19

A disposable absorbent article comprising: a) a vapor permeable, liquid impervious, backsheet laminate; b) a liquid pervious topsheet which is positioned in facing relation with said backsheet; c) an absorbent core located between the backsheet laminate and the topsheet; d) a first side panel and a second side panel, each disposed in a back waist region; e) an elastic waist feature; f) laterally opposed leg cuff elastics; g) a landing zone; wherein a backsheet film is joined to a nonwoven on a garment-facing side to form the vapor permeable, liquid impermeable, microporous backsheet laminate; wherein the vapor permeable, liquid impermeable, microporous backsheet laminate has a dynamic fluid impact value of less than about 10 g/m2; wherein the backsheet film comprises a plurality pores and a plurality of capillaries running therebetween and connecting the plurality of pores, and wherein the backsheet is joined to the topsheet on a wearer-facing side of the backsheet; wherein the laterally opposed leg cuff elastics are disposed parallel to each other and parallel with a longitudinal axis of the absorbent article, and wherein the leg cuff elastics are joined to the backsheet; wherein side edges of the landing zone extend laterally outboard of side edges of the absorbent core; wherein side edges of the waist elastic feature extend laterally outboard of the side edges of the absorbent core in the back waist region; wherein the plurality of capillaries extend between the wearer-facing side of the backsheet film and the garment-facing side of the backsheet film; wherein the backsheet film is from about 0.25 mils to about 2.5 mils; wherein the first and second side panels comprise a nonwoven; wherein the waist elastic feature overlaps with the backsheet, but do not overlap with the absorbent core.

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