Disposable diaper

Details Disposable diaper Disposable diaper

1997-05-14

1998-06-16

Clarke, Robert A.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

A61F 1315

Patent

active

057662126

ABSTRACT:
A disposable diaper includes a topsheet, a backsheet and an absorbent core therebetween. The backsheet is made of an air-permeable but liquid-impermeable plastic film having a surface thereof whitened by fine particles of an inorganic substance contained therein. An indicator 18 provided between the backsheet and the absorbent core. The indicator includes a layer of printed ink adapted to be visually revealed when it is wetted with discharged urine and a masking region disposed between the layer of printing ink and the backsheet so as to cover the layer of printed ink, and the masking region contains a surfactant.

REFERENCES:
patent: 3759261 (1973-09-01), Wang
patent: 4192311 (1980-03-01), Felfoldi
patent: 4705513 (1987-11-01), Sheldon et al.
patent: 5690624 (1997-11-01), Sasaki et al.

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