Sulfonic-acid-group containing disazo dyestuffs

Details Sulfonic-acid-group containing disazo dyestuffs Sulfonic-acid-group containing disazo dyestuffs

1975-08-21

1977-09-27

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

96 16, 96 67, 96 74, 96 89, 96100R, 260152, 260154, 260156, 260158, 260160, 260173, 260174, 260175, 260184, 260185, 260198, 260260, 260295AM, 260326A, 2603322A, 2603475, 260465D, 260507R, 260509, 260515P, 260518R, 260519, 260520R, 260544N, 260556A, 560 19, C09B 3522, C09B 3524, C09B 3530, C09B 3534

Patent

active

040511235

ABSTRACT:
In a first main aspect azo dyestuffs of the formula ##STR1## wherein A, B, X and Y are certain substituents, in a second main aspect azo dyestuffs of the formula ##STR2## wherein B' represents certain substituents and in a third main aspect azo dyestuffs of the formula

REFERENCES:
patent: 2098782 (1937-11-01), Hopff et al.
patent: 2148135 (1939-02-01), Rossander
patent: 2216229 (1940-10-01), Cliffe
patent: 2236618 (1941-04-01), Cliffe
patent: 2266822 (1941-12-01), Sparks et al.
patent: 2488853 (1948-09-01), Allen et al.
patent: 3113937 (1963-12-01), Nakaten et al.
patent: 3211554 (1965-10-01), Dreyfus
patent: 3598594 (1971-08-01), Freytag et al.
patent: 3749576 (1973-07-01), Piller

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