High efficiency disposable cellulosic wiper
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United States of America Patent
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Mar 1, 2016
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N/A
app pub date -
Jan 14, 2015
filing date -
Mar 21, 2006
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Abstract
A disposable cellulosic wiper includes a percentage by weight of pulp-derived papermaking fibers, and a percentage by weight of regenerated independent cellulosic microfibers having a number average diameter of less than about 2 microns and a characteristic Canadian Standard Freeness (CSF) value of less than 175 ml. The microfibers are selected and present in amounts such that the wiper exhibits a Laplace pore volume fraction at pore sizes less than 15 microns of at least 1.5 times that of a like wiper prepared without regenerated independent cellulosic microfibers.
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