TREATED PERFORATED OPENINGS Russian patent published in 2018 - IPC A61F13/512 

Abstract RU 2640708 C2

FIELD: items for personal use.

SUBSTANCE: liquid-permeable top sheet of a non-woven material having a surface facing the body and a rear surface opposite thereto, a liquid-tight bottom surface, and at least one intermediate layer arranged between them, the liquid-permeable top sheet comprises perforated openings, at least 10% of the perforated openings are treated with an agent for hydrophilic treatment.

EFFECT: improved reliability.

15 cl, 24 ex, 10 tbl, 3 dwg

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RU 2 640 708 C2

Authors

Abuto Frenk P.

Fortkhofer Marsha R.

Sislek Nikol E.

Uoldrup Donald E.

Dates

2018-01-11Published

2013-01-11Filed