Disazo dyestuffs containing amino azo benzene sulfonic acid and

Details Disazo dyestuffs containing amino azo benzene sulfonic acid and Disazo dyestuffs containing amino azo benzene sulfonic acid and

1970-05-01

1976-06-01

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260177, 260187, 260191, 260205, 260206, 260207, C09B 3104, C09B 3106, D06P 304, D06P 324

Patent

active

039608310

ABSTRACT:
Disazo dyestuffs which in the form of the free acid correspond to the formula ##SPC1## pivotal
Wherein Q represents a hydroxyl group, an alkoxy group or an acylamino group, A is a radical of the benzene or naphthalene series which is optionally further substituted, R represents hydrogen or an alkyl radical, X denotes --O-- or --NH-- and the benzene nucleus K can further be substituted by non-ionic radicals and the benzene nucleus M can further be substituted by halogen, alkyl or alkoxy groups.
The new dyestuffs are particularly suitable for dyeing and printing natural and synthetic fiber materials containing amide groups. The resulting dyeings are distinguished by good wet fastness properties and good light fastness properties.

REFERENCES:
patent: 1327688 (1920-01-01), Taggesell
patent: 1815827 (1931-07-01), Bodmer
patent: 1979534 (1934-11-01), Ebert
patent: 2152408 (1939-03-01), Graenacher et al.
patent: 2192153 (1940-02-01), Roos
patent: 2708668 (1955-05-01), Suckfull
patent: 2729630 (1956-01-01), Krzikalla et al.
patent: 3109841 (1963-11-01), Gumprecht et al.

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