Concentrated solutions, miscible with water in any ratio of anio

Details Concentrated solutions, miscible with water in any ratio of anio Concentrated solutions, miscible with water in any ratio of anio

1975-05-08

1976-06-15

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 41R, 8 85B, 8 93, C09B 562, D06P 102

Patent

active

039634302

ABSTRACT:
Stable, concentrated solutions, miscible with water in any ratio, of azo and anthraquinone dyestuffs containing sulphonic acid groups are obtained by means of association compounds of lactams with polyalcohols, optionally with water and optionally with further water-miscible organic solvents.

REFERENCES:
patent: 2225604 (1940-12-01), Lubs et al.
patent: 2290945 (1942-07-01), Dahlen et al.
patent: 2888313 (1959-05-01), Mautner
Rattee and Breuer, "The Physical Chemistry of Dye Adsorption," (Academic Press, 1974) pp. 133-137.

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