Dyes and methods of preparing them
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United States of America Patent
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May 11, 2004
Grant Date -
Feb 5, 2004
app pub date -
May 29, 2003
filing date -
May 30, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present writing relates to a novel fiber-reactive dye of the formula ##STR1## wherein R.sub.11, D, R.sub.0, X and Z are as defined in the specification. The novel dye according to the present writing can be used in dyeing and printing fibre materials, especially, cellulosic fibre materials by a general fixing method, and a good adsorbing/fixing rate and an excellent fastness to light and wet treatment.
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