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US 7,785,306 B2Granted
Drapeable sanitary absorbent napkin and materials for use in drapeable sanitary absorbent articles
AssigneeMcNeil-PPC, Inc.
InventorsJohn Poccia, Leonard G. Rosenfeld, Archie L. Jones, Theresa Wysocki, Katja Lerner, Alvaro Garcia Aramendia, Elisabeth Kirsch
Life of this patent
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Abstract
An absorbent article including a cover layer, a barrier layer and an absorbent system arranged between the cover layer and the barrier layer, the absorbent article being drapeable and possessing the absorbency attributes required of a sanitary napkin.
Claims26
An absorbent article comprising:
- a cover layer,
- a barrier layer;
- an absorbent layer arranged between said cover layer and said barrier layer, said absorbent layer comprising less than 50% cellulosic fibers, less than 20% bonding materials and greater than 30% nonbonding materials;
- wherein said absorbent article has a thickness of less than 2.5 mm;
- and
- wherein at least a portion of said absorbent article satisfies one of the two following equations:
- AI>2.37−0.77 ln(BW/MCB), where BW/MCB is ≦5.9;
- and
- AI>1.0, where BW/MCB is >5.9.
6 more elements
An absorbent article comprising:
- a liquid permeable spunlaced cover layer having a fluid absorption time of less than 60 seconds;
- a liquid impermeable barrier layer;
- an absorbent layer arranged between said cover layer and said barrier layer, said absorbent layer comprising less than 50% cellulosic fibers, less than 20% bonding materials and greater than 30% nonbonding materials, said absorbent layer including a superabsorbent polymer in an amount of at least 20% by weight of said absorbent layer and said superabsorbent polymer having a total capacity of at least 40 g/g and an absorbency rate of at least 20 g/g after 1 minute;
- wherein said absorbent article has a thickness of less than 2.0 mm;
- and
- wherein at least a portion of said absorbent article satisfies one of the two following equations:
- AI>2.37−0.77 ln(BW/MCB), where BW/MCB is ≦5.9;
- and
- AI>1.0, where BW/MCB is >5.9.
6 more elements
Dependencies are inferred from the claim text.