Water-soluble disazo reactive dyes and metals complexes (contain

Details Water-soluble disazo reactive dyes and metals complexes (contain Water-soluble disazo reactive dyes and metals complexes (contain

1987-11-20

1989-08-01

Higel, Floyd D.

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

Organic compounds

Azo

534583, 534629, 534641, 534642, 534677, 534684, 534688, 534693, 534716, 534719, 534727, C09B 6282, C09B 62825, C09B 6283, C09B 62835

Patent

active

048534668

ABSTRACT:
This invention relates to disazo dyes, and their metal complexes, which are useful for dyeing cellulosic fibers in lightfast and washfast hues. In addition, these dyes have high water solubility, a high degree of fixation, acceptable migration and high water solubility with reasonable cost.
The disazo dyes have the structure: ##STR1## Wherein: R is selected from ##STR2## Wherein the azo bonds are ortho to the --OH or NH.sub.2 groups;

REFERENCES:
patent: 4105020 (1979-04-01), Swidler et al.
patent: 4150021 (1979-04-01), Swidler et al.
patent: 4472308 (1984-09-01), Gauthier

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