Tetrakisazo dyestuffs

Details Tetrakisazo dyestuffs Tetrakisazo dyestuffs

1972-08-14

1977-10-25

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260178, C09B 3536

Patent

active

040555585

ABSTRACT:
The subject matter of the present invention relates to tetrakisazo dyestuffs which in the acid form correspond to the formula ##STR1## wherein Z.sub.1, Z.sub.2 = an optionally substituted amino group

REFERENCES:
patent: 1078926 (1913-11-01), Kahn et al.
patent: 2096896 (1937-10-01), Hauck et al.
Colour Index, 2 Ed. (1957), vol. 3, p. 3306, C.I. 35445.
Colour Index, 2 Ed. (1957) vol. 3, p. 3306, C. I. 35435 & C.I. 35450.

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