08080704 is referenced by 14 patents and cites 11 patents.

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 topsheet 2, a backsheet 3, and an absorbent member 4 interposed between the topsheet 2 and the backsheet 3 and 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.

Title
Absorbent article
Application Number
12/443389
Publication Number
8080704 (B2)
Application Date
September 26, 2007
Publication Date
December 20, 2011
Inventor
Nobuyuki Kamishioiri
Tochigi
JP
Hideyuki Ishiguro
Tokyo
JP
Ikuo Kubota
Tokyo
JP
Kensaku Uchida
Tokyo
JP
Agent
Birch Stewart Kolasch & Birch
Assignee
Kao Corporation
JP
IPC
A61F 13/15
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