Methods for the preparation crosslinked carboxyalkyl cellulose fibers having non-permanent and temporary crosslinks
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United States of America Patent
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Issued Date -
Jun 19, 2008
app pub date -
Oct 2, 2006
filing date -
Oct 2, 2006
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Abstract
Methods for making substantially water-insoluble, water-swellable, non-regenerated, carboxyalkyl cellulose fibers, wherein the fibers have a surface having the appearance of the surface of a cellulose fiber, and wherein the fibers include a plurality of non-permanent intra-fiber metal crosslinks and a plurality of temporary intra-fiber crosslinks.
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