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Patents

Stackable Sanitary Pads:

U.S. Patent No. 9,980,856

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By: Karen McIntyre

Editor, Nonwovens Industry

Brenda J. Wilson, Farmington Hills, MI.

Filed: 5/31/12
Issued: 5/29/18

An absorbent multi-layer feminine hygiene product comprising: (a) at least three absorbent pads that are releasably attached to each other, the plurality of absorbent pads being arranged in a stack, each one of the plurality of absorbent pads including: (i) a liquid-pervious topsheet, a liquid-impervious backsheet, and an absorbent core positioned between the topsheet and the backsheet; (ii) each topsheet and backsheet having an outer peripheral edge extending beyond the absorbent core and forming an outer peripheral edge to sandwich the absorbent core between the topsheet and the backsheet, each peripheral edge including a pair of opposed longitudinal edges and a pair of opposed end edges; and (iii) each backsheet having a garment-facing surface and an adhesive disposed on at least a portion of the peripheral edge of the garment-facing surface; wherein the adhesives are disposed on each one of the pair of opposed end edges and the opposed longitudinal edges remain free of adhesive; and the adhesives are successively decreasing in attachment strength from the lowermost pad proximate an undergarment to the uppermost pad proximate a person’s body to facilitate the individual removal of the uppermost pad from an adjacent, lower pad.

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