IP Library Granted Patent US 9,283,127
Granted Patent B2
US 9,283,127 · App. 13/851,932 · Granted Mar 15, 2016

Absorbent articles with decolorizing structures

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Quick Facts
Patent No.
US 9,283,127
App. No.
13/851,932
Granted
Mar 15, 2016
Kind
B2
Abstract

A feminine hygiene absorbent personal care article includes a topsheet layer, a backsheet layer, at least one absorbent core layer positioned between the topsheet layer and the backsheet layer and a decolorizing structure positioned along the article side edges, with the decolorizing structure extending laterally beyond the lateral most side edges of the absorbent core layer.

Claims (12)

1. A feminine hygiene absorbent personal care article having lateral side edges, comprising a topsheet layer, a backsheet layer, an optional additional pad interior layer, and at least one absorbent core layer having lateral side edges, said at least one absorbent core layer positioned between said topsheet layer and said backsheet layer, said feminine hygiene absorbent personal care article further having a longitudinal axis, a transverse axis, and a depth axis, wherein at least one decolorizing structure is positioned on at least one of the topsheet layer, the at least one absorbent core layer, the backsheet layer, optional additional pad interior layer or between one or more of the above layers, said decolorizing structure being adjacent said article lateral side edges, which decolorizing structure extends laterally beyond the lateral side edge of the absorbent core layer along said transverse axis, wherein said decolorizing structure is a laminate of two nonwoven materials, and further, wherein said two nonwoven materials comprise a first nonwoven material having an average pore size of between about 50 and 200 microns, and a second nonwoven material having an average pore size of between about 3 and 40 microns.

2. The feminine hygiene absorbent personal care article of claim 1 , wherein said decolorizing structure is positioned on said topsheet layer.

3. The feminine hygiene absorbent personal care article of claim 2 , wherein said topsheet layer includes a central longitudinally directed topsheet material and two longitudinally directed side edge topsheet materials, and further wherein said decolorizing structure is positioned on said two longitudinally directed side edge topsheet materials.

4. The feminine hygiene absorbent personal care article of claim 3 , wherein said two longitudinally directed side edge topsheet materials are comprised of a laminate including a masking layer.

5. The feminine hygiene absorbent personal care article of claim 4 , wherein said laminate of said two longitudinally directed side edge topsheet materials includes a nonwoven and film layer.

6. The feminine hygiene absorbent personal care article of claim 1 , wherein said decolorizing structure laminate is placed on each longitudinally directed side edge of the article.

7. The feminine hygiene absorbent personal care article of claim 1 , wherein said first nonwoven material having an average pore size of between about 50 and 200 microns, has a basis weight of between about 10 and 70 gsm, and said second nonwoven material having an average pore size of between about 3 and 40 microns, has a basis weight of between about 10 and 100 gsm.

8. The feminine hygiene absorbent personal care article of claim 1 , wherein said first nonwoven material having an average pore size of between about 50 and 200 microns, has an average fiber diameter size of between about 2 and 20 microns, and said second nonwoven material having an average pore size of between about 3 and 40 microns, has an average fiber diameter size of between about 0.2 and 10 microns.

9. The feminine hygiene absorbent personal care article of claim 1 , wherein said decolorizing structure laminate extends along the side edges on the topsheet layer or other layers, between about 30 and 99 percent of the length of the article.

10. The feminine hygiene absorbent personal care article of claim 1 , wherein said decolorizing structure laminate extends along the entire length of the article.

11. The feminine hygiene absorbent personal care article of claim 1 , wherein said decolorizing structure laminate includes a color different from that of the color of the layer underlying the decolorizing structure laminate.

12. A feminine hygiene absorbent personal care article having a front and back end, lateral side edges, and comprising a topsheet layer, a backsheet layer, an optional additional pad interior layer, and at least one absorbent core layer having lateral side edges, said at least one absorbent core layer positioned between said topsheet layer and said backsheet layer, said feminine hygiene absorbent personal care article further having a longitudinal axis, a transverse axis, and a depth axis, wherein at least one decolorizing structure is positioned on at least one of the topsheet layer, the at least one absorbent core layer, the backsheet layer, optional additional pad interior layer or between one or more of the above layers, said decolorizing structure being adjacent said article lateral side edges, which decolorizing structure extends laterally beyond the lateral side edge of the absorbent core layer along said transverse axis, and further, wherein additional decolorizing structures are placed on the front and back ends of the article.

Assignments (2)
NAME CHANGE Recorded Feb 3, 2015
From: KIMBERLY-CLARK WORLDWIDE, INC.
To: KIMBERLY-CLARK WORLDWIDE, INC.
Reel/Frame 034880/0634 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 20, 2013
From: LEE, SANGWOOK, MR.
To: KIMBERLY-CLARK WORLDWIDE, INC.
Reel/Frame 030450/0805 →