Novel monoazo and disazo colorants

Details Novel monoazo and disazo colorants Novel monoazo and disazo colorants

1980-10-08

1983-03-15

Doll, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260157, 260174, 260176, 260178, 260184, 260186, 260187, 260188, 260191, 260204, 548320, 548337, 564 86, 564 87, C09B 2920, C09B 2903, C09B 2915, C09B 26036

Patent

active

043767290

ABSTRACT:
This invention relates to novel (N-substituted sulfonamido) monoazo and disazo compounds, to acid-addition salts of said azo compounds which are useful as direct dyes particularly in the dyeing of cellulose, to novel (N-substituted sulfonamido) substituted nitrobenzene, aniline and acetanilide intermediates to said azo compounds and to methods of preparation of said azo compounds and said intermediates to said azo compounds.

REFERENCES:
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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