Exhaust process for the dyeing of synthetic fiber materials

Details Exhaust process for the dyeing of synthetic fiber materials Exhaust process for the dyeing of synthetic fiber materials

1974-06-20

1976-11-16

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 82, 8 94A, 8162R, 8179, D06P 102, D06P 312

Patent

active

039921433

ABSTRACT:
Exhaust process for the dyeing of synthetic fiber materials from organic water-immiscible solvents wherein are used as dyestuffs dis- and trisazo dyestuffs which contain at least 2 hydroxyl groups and which are free from sulfonic acid and carboxyl groups and which correspond to the formula

REFERENCES:
patent: 3510243 (1970-05-01), Seuret et al.
patent: 3667898 (1972-06-01), Bergman et al.
Balmforth et al., J. Soc. Dyers and Colourists, 1966, 82 (11), pp. 405-409.
"Dyeing From Organic Solvents" in Farben Revue.

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