Method of dyeing textiles
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United States of America Patent
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Jan 19, 1999
Grant Date -
N/A
app pub date -
Apr 2, 1997
filing date -
Apr 2, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
There is provided a method of dyeing cellulosic and/or wool fibers and fabrics in a dyebath containing a dilute solution of tannic acid and/or tannic acid containing products at a proper pH. An exhaust salt is added to the bath to exhaust the tannic acid and then the tannic acid is fixed with an iron salt.
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