Patent ID: 7297395
Filing Date: 2007-11-20
Classification: A61F,A61L,Y10T

Abstract:
1. A superabsorbent material, comprising: a water swellable, water insoluble superabsorbent material; and, the superabsorbent material having a first gel-bed friction angle at a superabsorbent material swelling level of about 2.0 grams of 0.9 weight percent sodium chloride solution/gram of the superabsorbent material and gel-bed friction angles, at superabsorbent material swelling levels greater than about 2.0 grams of 0.9 weight percent sodium chloride solution/gram of the superabsorbent material, substantially equal to or less than the first gel-bed friction angle, wherein the first gel-bed friction angle is about 20 degrees or less.