Absorbent pad with activated carbon ink for odor control
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United States of America Patent
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Feb 2, 2010
Grant Date -
Feb 1, 2007
app pub date -
Jul 29, 2005
filing date -
Jul 29, 2005
priority date (Note) -
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Abstract
An absorbent pad configured for placement under a patient to absorb bodily fluids includes a liquid permeable cover layer, a liquid impermeable back sheet, and an absorbent structure disposed between the cover layer and the back sheet. At least one of the cover layer, back sheet, or absorbent structure incorporates a dried application of a liquid activated carbon ink having activated carbon, a binder, and a solvent, with the dried application of ink having a solids add-on level of at least about 2%. The activated carbon ink is applied in a pattern over between about 25% to about 95% of a total upper surface area of the pad and presents a visually contrasting color against a background color of the pad or a contrasting ink.
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