Three dimensional structures useful as cleaning sheets
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United States of America Patent
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Sep 17, 2013
Grant Date -
Dec 8, 2011
app pub date -
Aug 17, 2011
filing date -
May 23, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed are cleaning sheets having substantial macroscopic three-dimensionality. Optionally, the macroscopically three-dimensional cleaning sheets can comprise a contractable material (e.g., a scrim material), which when heated and then cooled contracts so as to provide a macroscopic, three-dimensional structure. Macroscopic three-dimensionality is described in terms of “average peak-to-peak distance” and “surface topography index”, as well in terms of “average height differential”. Also disclosed are cleaning implements comprising a handle and the described cleaning sheets. Processes for the sheets, benefits of the processes, and articles of manufacture are also disclosed.
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