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Patents

Absorbent Article Having Improved Absorption Properties

U.S. Patent No. 8,921,641 B2

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By: Karen McIntyre

Editor, Nonwovens Industry

Bruno Johannes Ehrnsperger, Bad Soden, Germany; Marc Jennewein, Taunusstein, Germany; Marion Michnacs, Schwalbach/Ts, Germany; Andrea Peri, Schwalbach/Ts, Germany; and Maike Thomann, Kriftel, Germany. Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 6/15/12
Issued: 12/30/14

Patented is an absorbent article comprising an absorbent core, 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 core having a dry thickness at a crotch point of the article of from 0.2 to 5 mm; wherein the absorbent core comprises at least 90% of superabsorbent polymer particles, and wherein the superabsorbent polymer particles comprised by the absorbent core in the front portion or the crotch portion of the absorbent article or by the whole absorbent core require a time to reach an uptake of 20 g/g (T20) of less than 240 s as measured according to the K(t) Test Method wherein the superabsorbent polymer particles comprised by the absorbent core in the front portion or the crotch portion of the absorbent article or by the whole absorbent core have an effective permeability at 20 minutes (K20) of at least 5*10-8 cm2 as measured according to the K(t) Test Method.
 

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