Patterned self-warming wipe substrates
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United States of America Patent
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Apr 12, 2011
Grant Date -
Dec 31, 2009
app pub date -
Jun 30, 2008
filing date -
Jun 30, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Generally stated, the present disclosure relates to wiping substrates such as wet wipes and dry wipes that include a thermal grill utilized to deliver a warming sensation. In an exemplary aspect, disposed on at least one structural layer of the wipe substrate is a thermal grill. The thermal grill includes an alternating pattern of thermally active areas and secondary areas that provide a feeling of warmth to a user of the wipe across the entire surface of the wipe. The thermally active portions of the wipe include a temperature change substance that when in liquid communication with an activation agent is adapted to provide a temperature change of at least 5° C. from the temperature of the secondary portion. By providing a thermal grill with thermally active portions, the entire wipe gives the user of the wipe a warming sensation.
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