Disazo and polyazo dyestuffs

Details Disazo and polyazo dyestuffs Disazo and polyazo dyestuffs

1978-10-10

1981-03-03

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260166, 260176, C07C10700, C09B 2700, C09B 3130

Patent

active

042540259

ABSTRACT:
New disazo and polyazo dyestuffs which, in the form of the free acid, correspond to the general formula ##STR1## wherein K, R, m and n have the meaning indicated in the description,
the use of these dyestuffs for dyeing and printing cellulose fibre materials and leather, and concentrated solutions containing azo dyestuffs according to formula (I).

REFERENCES:
patent: 4055559 (1977-10-01), Csch et al.
patent: 4141889 (1979-02-01), Allan
patent: 4169832 (1979-10-01), Wicki et al.

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