Patent ID: 8198505

Claim:
A disposable absorbent article comprising a fluid permeable topsheet, an opposed backsheet, and an absorbent core disposed between said topsheet and said backsheet and having a crotch region, a front waist region, and a rear waist region, said absorbent core comprising an absorbent storage member comprising a superabsorbent polymer and a fluid distribution member comprising an assembly of hydrophilic, non-biopersistent inorganic vitreous microfibers having an in vitro dissolution rate of equal to or greater than 150 ng/cm 2 /hr, wherein said fluid distribution member has a surface tension reduction of less than about 10 mN/m; wherein said microfibers have an average effective diameter of from about 0.1 micron to about 6 microns and an aspect ratio of at least about 100, wherein said aspect ratio of said microfibers is the contour length of said microfibers divided by the average effective diameter of said microfibers.