Cellulose fibers and process for producing the same, cellulose fiber assembly, and cellulose-fiber composite material
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United States of America Patent
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Apr 12, 2016
Grant Date -
Dec 19, 2013
app pub date -
Aug 21, 2013
filing date -
Feb 21, 2011
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Abstract
The present invention relates to cellulose fibers wherein a part of the hydroxyl groups of the cellulose have been substituted with at least one of a carboxy group and formyl group of 0.1 mmol/g or larger based on the weight of the cellulose fibers, and have been further substituted with a chemical modification group other than the carboxy and formyl groups.
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