Absorbent single use article
Patent #: 8,158,848 B2
Inventor(s): Maximilian Swerev, Augsburg, Germany; Magnus Bodmer, Neu-Ulm, Germany; Fridmann Hornung, Lauchheim, Germany; and Ruediger Kesselmeier, Herbrechtingen, Germany
Company: Paul Hartmann AG, Heidenheim (Germany)
Patented is an absorbent single-use article comprising: an absorbent element for storing bodily fluids; a backsheet which is fluid impermeable at least in sections, the fluid impermeable backsheet having a microporous breathable film, wherein the breathable film contains calcium carbonate as an organic filler material, the calcium carbonate present in an amount between 30% and 80% by weight relative to the mass of the breathable film; and wherein on the side of the film facing the absorbent element a moisture indicator is provided in the form of a visually perceptible textured arrangement applied by printing directly to the breathable film with a coating thickness of at least 2 μm, the moisture indicator including an azo dye with an RF value greater than 0.48, the textured arrangement being detached beyond recognition upon contact with aqueous fluid.
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