Patent ID: 6495734
Filing Date: 2002-12-17
Classification: A61F

Abstract:
An absorbent structure for use in a disposable absorbent product for absorbing bodily fluids, said structure comprising: a fluid storage layer including matrix fibers and a superabsorbent polymer for receiving fluids and a distribution strip positioned below said fluid storage layer, said distribution strip including cellulosic fibers selected from the group consisting of cotton linters, mercerized cellulose, chemically treated cellulose and mixtures thereof, wherein the chemically treated cellulose is treated with a polyvalent ion selected from the group consisting of aluminum, calcium, magnesium and mixtures thereof, and said distribution strip having a basis weight of between 45 grams per square meter and 140 grams per square meter and having a density of between 0.25 grams per cubic centimeter and 0.55 grams per cubic centimeter, wherein one hour after three 100 ml insults to the structure at 20 minute intervals in a last-three-inches-of-the-fluid-storage-layer-longitudinal-and-transverse-horizontal-wicking test, the fluid storage layer has horizontal wicking of 22 g/g or greater.