Composition for dyeing material of synthetic aromatic polyamide fibers comprising a cationic dye and novel dye assistant
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United States of America Patent
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Apr 22, 2003
Grant Date -
Oct 10, 2002
app pub date -
Feb 2, 2001
filing date -
Feb 2, 2001
priority date (Note) -
Expired
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Abstract
A composition for dyeing material of synthetic aromatic polyamide fibers, said composition containing a mixture of (a) a cationic dye and (b) a cyclohexenone as a dye assistant. Preferably, 2-cyclohexen-1-one,3,5,5-trimethyl is the dye assistant.
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