Absorbent Article With Moisture Indicator
OwnerXuedong Song, FuLiang Cheng +2inventors
InventorsXuedong Song, FuLiang Cheng, Karen Meloy Goeders, Yong Li
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Abstract
A personal absorbent article (e.g., feminine care pad, sanitary napkin, diaper, incontinence pad etc.) has a color change indicator that employs a synergistic combination an acid component and a basic component for signaling to a user when the absorbent article may foster bacterial growth due to moisture absorption. After a certain period of time, the user can visually inspect the color of the color change indicator to obtain an indication of when it is time to replace or remove the article.
Claims20
A personal care absorbent article comprising:
- a baffle;
- a liquid-permeable topsheet;
- an absorbent core positioned between the baffle and the topsheet;
- and
- a color change indicator disposed on the baffle and/or the absorbent core and/or the topsheet;
- the color change indicator comprising a pH indicator composition, an acid component and a base component;
- wherein the acid component and the base component are physically separated;
- and
- wherein the acid component and the base component are configured to chemically react with one another in the presence of an effective amount of water.
A color change indicator comprising:
- a pH indicator composition, an acid component and a base component;
- wherein the acid component and the base component are physically separated;
- wherein the pH indicator composition makes contact with only the acid component or the base component;
- and
- wherein the acid component and the base component are configured to chemically react with one another in the presence of an effective amount of water.
Dependencies are inferred from the claim text.