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

1975-12-16

1977-06-28

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260332, 8 38, C09B 700

Patent

active

040325393

ABSTRACT:
Method of coloring an organic material with an asymmetric thioindigoid compound having the formula: ##STR1## wherein R is a hydrogen atom or lower alkyl group; 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: 1001457 (1911-08-01), Schirmacher et al.
patent: 2005041 (1935-06-01), Krauss et al.
patent: 3793341 (1974-02-01), Genta

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