Sanitary napkin comprising an absorbent core having a density gr

Details Sanitary napkin comprising an absorbent core having a density gr Sanitary napkin comprising an absorbent core having a density gr

1997-01-27

1998-10-27

Weiss, John G.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

604368, A61F 1315

Patent

active

058272550

ABSTRACT:
In a sanitary napkin, the retention layer of the absorbent core is covered by first tissue sheet of a density between 0.01 g/cm.sup.3 and 0.1 g/cm.sup.3 and by a second tissue sheet of a density between 0.08 and 0.3 g/cm.sup.3, the difference in density between the tissue sheets being between 0.01 g/cm.sup.3 and 0.2 g/cm.sup.3. The density gradient on top of the retention layer results in a relatively high efficiency of the retention layer and in efficient draining of the topmost tissue sheet, so that chances of rewet are reduced.

REFERENCES:
patent: 5009653 (1991-04-01), Osborn, III
patent: 5019063 (1991-05-01), Marsan et al.

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