Storage-stable concentrated aqueous solution of disazo acid dye

Details Storage-stable concentrated aqueous solution of disazo acid dye Storage-stable concentrated aqueous solution of disazo acid dye

1974-05-20

1976-10-19

Henderson, Jr., Christopher A.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 41R, 8 85B, 260186, D06P 139, D06P 1649

Patent

active

039868273

ABSTRACT:
Storage-stable, concentrated, aqueous, disazo acid dye solution consisting essentially of 10-25 weight % of the lithium or tri(2-hydroxyethyl)ammonium salt of ##SPC1##
Wherein one of X and Y is H and the other is CH.sub.3 and R.sup.1 is CH.sub.2 CH.sub.2 OH, CH.sub.2 CH(CH.sub.3)OH or CH.sub.2 CH(C.sub.2 H.sub.5)OH, 5-25 weight % of N-methyl-2-pyrrolidone and the balance, to 100%, water.

REFERENCES:
patent: 2989360 (1961-06-01), Mautner
patent: 3281201 (1966-10-01), Mautner
patent: 3600376 (1971-08-01), Franklin
patent: 3681320 (1972-08-01), Franklin

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