Spin dyeing process with dyeing salts
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United States of America Patent
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Dec 22, 1998
Grant Date -
N/A
app pub date -
Nov 21, 1997
filing date -
May 24, 1995
priority date (Note) -
Expired
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Abstract
Process for preparing colored regenerated-cellulose fiber, which comprises adding a formulation comprising a cationized polysaccharide and an anionic dye to a viscose dope, an alkali cellulose or a cellulose solution and spinning fiber by a viscose spinning process or from the cellulose solution.
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