Methods for removing hemicellulose
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United States of America Patent
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Mar 24, 2015
Grant Date -
Feb 20, 2014
app pub date -
Mar 14, 2013
filing date -
Aug 20, 2012
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Abstract
A method for treating a cellulosic material comprising extracting the cellulosic material with an extractant to selectively extract hemicellulose therein and separating the extracted hemicellulose to form a cellulosic product comprising less hemicellulose than the cellulosic material. The extractant comprises an amine oxide and a non-solvent. The cellulosic product retains the cellulosic fiber morphology.
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