High-strength, stabilized absorbent article
First Claim
1. An absorbent article, comprising:
- a backsheet layer;
a liquid permeable topsheet layer;
an absorbent body sandwiched between said backsheet layer and said topsheet layer, said absorbent body including a first fibrous stratum, a second fibrous stratum, said first and second fibrous strata being composed of a substantially similar material, and at least a third fibrous stratum which is located between and integrally formed with said first and second fibrous strata, said third fibrous stratum including, a third quantity of absorbent fibers; and
an operative quantity of a substantially hydrophilic, wet-strength agent which is distributed in said third fibrous stratum to render said third fibrous stratum substantially non-dispersible in an aqueous liquid.
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Accused Products
Abstract
An absorbent article (10) includes a backsheet layer (30), a liquid permeable topsheet layer (28), and an absorbent body (32) sandwiched between the backsheet and topsheet layers. The absorbent body (32) includes a first fibrous stratum (52) having a first quantity of absorbent fibers, a second fibrous stratum (54) having a second quantity of absorbent fibers, and at least a third fibrous stratum (56) which is located between and integrally formed with the first and second fibrous strata (52, 54). In particular aspects, the third fibrous stratum (56) includes an operative quantity of a substantially hydrophilic, wet-strength agent. In other aspects, the wet-strength agent is distributed in the third quantity of absorbent fibers to render the third fibrous stratum (56) substantially non-dispersible.
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Citations
27 Claims
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1. An absorbent article, comprising:
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a backsheet layer;
a liquid permeable topsheet layer;
an absorbent body sandwiched between said backsheet layer and said topsheet layer, said absorbent body including a first fibrous stratum, a second fibrous stratum, said first and second fibrous strata being composed of a substantially similar material, and at least a third fibrous stratum which is located between and integrally formed with said first and second fibrous strata, said third fibrous stratum including, a third quantity of absorbent fibers; and
an operative quantity of a substantially hydrophilic, wet-strength agent which is distributed in said third fibrous stratum to render said third fibrous stratum substantially non-dispersible in an aqueous liquid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification