Sulfur containing dyes of the quinonaphthalone series

Details Sulfur containing dyes of the quinonaphthalone series Sulfur containing dyes of the quinonaphthalone series

1973-11-07

1976-09-21

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260283S, 8 1D, 8179, C09B 2500

Patent

active

039818730

ABSTRACT:
Sulfur-containing quinophthalone dyes obtainable by reaction of tetrahaloquinopthalone compounds with mercaptans with partial or complete replacement of halogen. The dyes are yellow and eminently suitable for coloring polyesters and resins and particularly polystyrene.

REFERENCES:
patent: 3399028 (1968-08-01), Illy
patent: 3655672 (1972-04-01), Spietschka et al.
patent: 3788810 (1974-01-01), Kalz

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