Absorbent article

Details Absorbent article Absorbent article

2007-09-26

2011-12-20

Stephens, Jacqueline F. (Department: 3761)

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

C604S365000, C604S367000, C604S362000

Reexamination Certificate

active

08080704

ABSTRACT:
A wetness indicator composition contains (a) 0.1% to 5% by weight of a pH indicator that is substantially colorless at pH 7 and develops a color in an acidic environment, (b) 20% to 90% by weight of a surfactant, (c) 5% to 55% by weight of a polyalkylene glycol, (d) 0% to 70% by weight of a polymer having a carboxyl group, and (e) 0.1% to 5% by weight of an acidic substance other than components (b) and (d). In an absorbent article including a topsheet2, a backsheet3, and an absorbent member4interposed between the topsheet2and the backsheet3and having applied thereon a hot-melt composition that changes color on contact with a body fluid, the wetness indicator composition is used as the hot melt composition.

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International Preliminary Report on Patentability and Written Opinion of the International Searching Authority (Forms PCT/IB/338, PCT/IB/373 and PCT/ISA/237) for International Application No. PCT/JP2007/068650 filed on Sep. 26, 2007.

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