Absorbent article having multiple zones

US11376169B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11376169-B2
Application numberUS-201815969951-A
CountryUS
Kind codeB2
Filing dateMay 3, 2018
Priority dateMay 3, 2017
Publication dateJul 5, 2022
Grant dateJul 5, 2022

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An absorbent article is disclosed. The absorbent article having a topsheet, a backsheet, and an absorbent core structure having one or more layers. The absorbent article has multiple zones.

First claim

Opening claim text (preview).

What is claimed is: 1. An absorbent article comprising a topsheet, a backsheet, and an absorbent core structure comprising one or more layers, a zone A and a zone B, the absorbent article comprising a heterogeneous mass comprising a first layer comprising a nonwoven web and a second layer comprising one or more pieces of open-celled HIPE foam disposed beneath the topsheet, wherein the first layer is integrated with the second layer wherein fibers of the nonwoven web have been displaced in a pattern of wells, through a plane occupied by the one or more pieces of HIPE foam, such that fibers of the nonwoven web and the one or more pieces of the open-celled HIPE foam both occupy the plane; wherein zone A and Zone B exhibit different Cross Direction to Machine Direction slope ratios and exhibit different NMR residual fluid values, and exhibit saturation mass values within 10% of each other.

Assignees

Inventors

Classifications

  • having areas of different permeability · CPC title

  • characterized by quantifiable properties · CPC title

  • being hydrophilic fibres · CPC title

  • having decorations or indicia means · CPC title

  • characterised by the absorbing medium (A61F13/20 takes precedence) · CPC title

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Frequently asked questions

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What does patent US11376169B2 cover?
An absorbent article is disclosed. The absorbent article having a topsheet, a backsheet, and an absorbent core structure having one or more layers. The absorbent article has multiple zones.
Who is the assignee on this patent?
Procter & Gamble
What technology area does this patent fall under?
Primary CPC classification A61F13/51305. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Jul 05 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).