N-Aminoalkylenesulfonamido substituted disazo colorants

Details N-Aminoalkylenesulfonamido substituted disazo colorants N-Aminoalkylenesulfonamido substituted disazo colorants

1982-10-25

1985-08-20

Higel, Floyd D.

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

Organic compounds

Azo

8919, 8641, 162162, 534728, 534734, 534759, 534760, 534797, 534864, 534878, C09B 3302, C09B 3530, D06P 102, D21H 146

Patent

active

045365709

ABSTRACT:
This invention relates to novel mixtures consisting essentially of benzanilide bridged disazo compounds which are randomly substituted with x (N-substituted sulfonamido) groups, to acid-addition salts of said disazo compounds, useful as direct dyes particularly in the dyeing of cellulose, and to methods of preparation of said mixtures of (N-substituted sulfonamido) substituted disazo compounds.

REFERENCES:
patent: 1904820 (1933-04-01), Brightman
patent: 2863875 (1958-12-01), Bienert et al.
patent: 3096322 (1963-07-01), Straley et al.
patent: 4046502 (1977-09-01), Moser et al.

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