Azo compounds, their manufacture and use

Details Azo compounds, their manufacture and use Azo compounds, their manufacture and use

1973-06-12

1976-01-13

Sebastian, Leland A.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 41R, 260156, C09B 2936, D06P 356

Patent

active

039321223

ABSTRACT:
Azo compounds of the formula ##SPC1##
Wherein D represents the radical of a diazo component, R.sub.1 and R.sub.3 each represent a hydrogen atom or a substituent and R.sub.2 represents a substituent, and which contain at least one carboxy group that may not, however, be bonded in the adjacent position to the azo bridge directly to the ring.

REFERENCES:
patent: 3640674 (1972-02-01), Berrie et al.

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