Coloring of organic materials with asymmetric thioindigoid compo

Details Coloring of organic materials with asymmetric thioindigoid compo Coloring of organic materials with asymmetric thioindigoid compo

1975-04-30

1976-06-01

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 38, 8179, 8DIG4, D06P 122

Patent

active

039604799

ABSTRACT:
Method of coloring an organic material with an asymmetric thioindigoid compound having the formula: ##SPC1##
Wherein R is a hydrogen atom or lower alkyl; R' is a member selected from the group consisting of a hydrogen atom, halogen atoms, lower alkyl groups, lower alkoxy groups, sulfonamide group or its derivatives, and aryl sulfonate groups or their derivatives; R" is a hydrogen atom or methyl group; and X is an oxygen atom or sulfur atom. Organic materials colored with the compound have a brilliant nuance with characteristic fluorescence.

REFERENCES:
patent: 2663612 (1953-12-01), Gibson
patent: 2663613 (1953-12-01), Gibson
patent: 3047352 (1962-07-01), Santoro et al.
patent: 3527556 (1970-09-01), Riley
Venkataraman, K., "The Chemistry of Synthetic Dyes" (Academic Press, New York, 1952) vol. II, pp. 1003-1045.
Venkataraman, K., "The Chemistry of Synthetic Dyes" (Academic Press, New York, 1970) vol. III, pp. 36-37.

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