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Patents

Absorbent Article with Sensing Means:

U.S. Patent No. 11,051,994

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By: Karen McIntyre

Editor, Nonwovens Industry

Blanca Arizti, Schmitten, Germany; Jonathan Livingston Joyce, Independence, KY; Steven Jeffrey Specht, Brookfield, CT; and Grant Edward Anders Striemer, Fairfield Township, OH.
Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 2/28/17
Issued: 7/6/21

An absorbent article for personal hygiene, designed to absorb and contain bodily exudates selected from the group of a diaper, a training pant and an incontinence insert, the absorbent article having a front edge and a rear edge, a longitudinal axis extending in a longitudinal direction of the article, the article having a length L as measured along the longitudinal axis from the front edge to the back edge, the absorbent article comprising: an indication means for indicating both the presence of such bodily exudates and for indicating body temperature or fever, the indication means consisting of a color-changing pH-sensitive chemical and a color-changing thermochromic material selected from the group consisting of thermochromic inks, thermochromic dyes, thermochromic liquid crystalline materials, and mixtures thereof, and wherein the indication means is in a sheet form, wherein the absorbent article and the indication means form one integral unit, the article further comprising an indication device, which comprises a housing and a connection means, such that the indication device is configured to be attached to the absorbent article and be detached from the absorbent article, wherein the indication device comprises a color sensor and a light emitting device configured to direct light onto an area of the absorbent article comprising the color-changing indication means, and wherein the color sensor is a hyperspectral sensor which is sensitive to visible light and to light in the near IR range and is optimized for assessing the color of the color-changing indication means.

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