Patent ID: 6794318
Filing Date: 2004-09-21
Classification: D06M,D06P,G01N,Y10T

Abstract:
An absorbent article containing an active chemical comprising: an absorbent web containing fibers, said absorbent web having at least two outer surfaces; and an indicator system applied to said web, said indicator system comprising at least one dye component imparting a color to said at least one surface, said at least one dye component being capable of dissolving into a liquid when contacted therewith, said at least one dye component dissolving at a faster rate than said active chemical when contacted with said liquid such that said color of said at least one surface becomes altered before said active chemical is completely exhausted during the use of said article; and a cross-linked water-swellable polymer mixture applied to said web, wherein said cross-linked water-swellable polymer is cross-linked to a degree that controls the rate that said at least one dye component dissolves into said liquid when contacted therewith.