1
Hartwell Edward Wallace: Breathable, liquid inpervious backsheet for absorptive devices. The Procter & Gamble Company, Braun Frederick H, Gorman John V, Witte Monte D, May 6, 1975: US3881489 (134 worldwide citation)

A backing for a disposable diaper being a combination of two layers. The first layer is a low void volume perforated thermoplastic film. The second layer is a porous high void volume hydrophobic tissue which is adjacent the first layer.


2
Breathable, liquid inpervious backsheet for absorptive devices. Procter & Gamble, March 21, 1975: FR2241265-A1 (5 worldwide citation)

A backing for a disposable diaper being a combination of two layers. The first layer is a low void volume perforated thermoplastic film. The second layer is a porous high void volume hydrophobic tissue which is adjacent the first layer.