发明申请
US20050070648A1 AOX-free navy and black disperse dyes 有权
无AOX的海军和黑色分散染料

AOX-free navy and black disperse dyes
摘要:
Monoazo dyestuffs of the general formula (1) wherein R1, R2, R3 and n are as defined in claim 1, method for their preparation and a method for colouring a synthetic textile material or fibre blend thereof using such dyestuffs.
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