Fibers, a process for preparing the same and product thereof
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United States of America Patent
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Jan 5, 1999
Grant Date -
N/A
app pub date -
Apr 16, 1997
filing date -
Aug 18, 1995
priority date (Note) -
Expired
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Abstract
The present invention relates to cellulose fibers excellent in dirt removability and a method of treatment thereof. The cellulose fibers of the invention are liquid ammonia-treated cellulose fibers whose partial or entire exterior is coated with an ester of (A) a polycarboxylic acid having at least three carboxyl groups and (B) a hydrophilic polyol having an oxyethylene group or groups and at least two alcoholic hydroxyl groups and/or which fibers are impregnated with the ester.
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