Trihalo monoazo dyestuffs

Details Trihalo monoazo dyestuffs Trihalo monoazo dyestuffs

1974-02-11

1976-02-03

Levy, Donald

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

260198, C09B 2700, C09B 4548, C07C10708, D06P 106

Patent

active

039362663

ABSTRACT:
Monoazo dyes exhibiting excellent wash- and lightfastness and being essentially insensitive to acid having the formula ##SPC1##
Wherein X, X.sub.1 and X.sub.2 are chlorine or bromine, and M is an alkali metal or hydrogen.

REFERENCES:
patent: 3272586 (1966-09-01), Frisch
patent: 3503955 (1970-05-01), Genta
patent: 3520871 (1970-07-01), Zanella

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