Black dye mixtures of fiber-reactive azo dyes, methods for...

Details Black dye mixtures of fiber-reactive azo dyes, methods for... Black dye mixtures of fiber-reactive azo dyes, methods for...

2005-03-22

2005-03-22

Powers, Fiona T. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

C534S637000, C534S642000

Reexamination Certificate

active

06870035

ABSTRACT:
Deep black-dyeing dye mixtures comprising a disazo dye conforming to the general formula (1),and one or more disazo dyes conforming to the general formula (2),wherein the amide group is in the 6, 7, or 8 position relative to the hydroxygroup and wherein:M, n, W, R1, R2, R3, R4, R5, R11, L1, L2, L3are as defined in claim 1 methods for their preparation and use thereof for dyeing hydroxyl- and/or carboxamido-containing fiber material.

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