Disposable diaper

Details Disposable diaper Disposable diaper

A - Human Necessities

61

F

A61F 13/42 (2006.01)

Patent

CA 2191421

A disposable diaper is provided with an indicator adapted to be revealed as it is wetted with discharged urine and to show a mother that her baby has urinated. The indicator comprises a hydrophilic base sheet, a first coating layer formed on one side of the base sheet so as to develop its proper color as the indicator is wetted with urine, and a second coating layer formed on the other side of the base sheet or upper surface of the first coating layer and intermittently bonded to the inner surface of the backsheet so that the second coating layer covers up the first coating layer. The second coating layer becomes transparent as the indicator is wetted with urine.

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