US Patent No.: 8,273,939 B2
Inventor(s): Thomas James Klofta, Cincinnati, OH, US; Robin Lynn McKiernan, Mason, OH, US; and Edward Lawrence Schmidt, Liberty Township, OH, US.
Company: The Procter & Gamble Company, Cincinnati, OH, US.
Filed: 7/20/07
Issued: 9/25/12

A disposable absorbent article suitable adapted to be worn about a wearer’s lower torso, for receiving and containing bodily exudates and for visually detecting health-related conditions of the wearer, said article comprising: a front region, a back region and a crotch region disposed between said front and back region, each region having two opposing longitudinal edges; a window on any one of said regions; and a removable sensor placed adjacent to and facing said window, the sensor comprising a thermochromic temperature sensor adapted to undergo a change of appearance from a first appearance at a temperature lower than about 99.5° F. to 102° F. to a second appearance at a temperature higher than about 99.5° F. to 102° F., wherein said thermochromic temperature sensor comprises thermochromic material selected from the group consisting of thermochromic inks, liquid crystalline materials, thermochromic dyes, and combinations thereof.