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Patents

Absorbent Articles with Improved Absorption Properties

U.S. Patent No. 8,962,911 B2

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By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Bruno Johannes Ehrnsperger, Bad Soden, Germany; Marc Jennewein, Taunnusstein, Germany; Marion Lutsche, Schwalbach, Germany; Andrea Peri, Montesilvano, Italy; and Maike Thomann, Kriftel, Germany. Assigned to The Procter & Gamble Company, Cincinnati, OH.
Filed: 11/20/12
Issued: 2/24/15
An absorbent article comprising an absorbent structure, the absorbent article being divided into three portions: a front portion, a back portion and a crotch portion disposed between the front portion and the back portion, the absorbent structure comprising an absorbent core, the absorbent core having a dry thickness at a crotch point of the article of from about 0.2 to about 5 mm, wherein one or more portion(s) of the absorbent structure comprise(s) at least about 90% by weight of superabsorbent polymer particles and require(s) a time to reach an uptake of about 20 g/g (T20) of less than about 440 s as measured according to the K(t) test method; wherein the superabsorbent polymer particles are comprised in the absorbent core, such that the superabsorbent polymer particles are deposited between a first and a second substrate layer, with the first substrate layer facing towards the backsheet and the second substrate layer facing towards the topsheet wherein the one or more portion(s) of the absorbent structure have an effective permeability at about 20 minutes (K20) of at least about 2.9*10−8 cm2 as measured according to the K(t) test method.

 

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