Absorbent article containing nanoporous superabsorbent particles
AssigneeKimberly-Clark Worldwide, Inc.
InventorsYuriy Galabura, Austin N. Pickett, Karen Goeders, Vasily A. Topolkaraev, Dave Soerens, Theodore T. Tower, Mark M. Mleziva, Wanduk Lee
Life of this patent
Estimating the term…
Abstract
An absorbent article comprising an absorbent member positioned between a topsheet and a backsheet is provided. The absorbent member contains at least one layer that comprises superabsorbent particles containing nanopores having an average cross-sectional dimension of from about 10 to about 500 nanometers.
Claims23
An absorbent member comprising a fibrous material and superabsorbent particles containing nanopores having an average cross-sectional dimension of from about 10 to about 500 nanometers, wherein the percent porosity of the particles is greater than 5%, wherein the particles have a total pore area of greater than 2 m2/g, wherein an average percent volume occupied by the nanopores within a given unit volume of the fibrous material is from 15% to 80% per cm3.
Dependencies are inferred from the claim text.