Absorbent Pad With Activated Carbon Ink For Odor Control
Patent #: 7,655,829
Inventor(s): John MacDonald, Jeffrey Fish, Sharon Greene and Jaeho Kim
Company: Kimberly-Clark Worldwide, Inc.
Patented recently is an absorbent pad configured for placement under a patient to absorb bodily fluids. The pad 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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