Sulfo containing monoazo dyestuffs containing a benzthiazole dia

Details Sulfo containing monoazo dyestuffs containing a benzthiazole dia Sulfo containing monoazo dyestuffs containing a benzthiazole dia

1972-10-03

1977-08-09

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260305, 260508, 260509, 260510, C09B 3506, C09B 3522, D06P 106, D06P 324

Patent

active

040410242

ABSTRACT:
Azo dyestuffs of formula ##STR1## wherein R.sub.1 denotes hydrogen, C.sub.1 --C.sub.4 alkyl, Cl, Br, --OCH.sub.3, --OC.sub.2 H.sub.5, --NO.sub.2, --CN, --SCN, --SO.sub.2 CH.sub.3, --SO.sub.2 C.sub.2 H.sub.5, --SO.sub.3 H, --SO.sub.2 NX.sub.2 (X=H or C.sub.m H.sub.2m.sub.+1 with m = 1-4) or --COOC.sub.n H.sub.2n.sub.+1 (n = 0-4);

REFERENCES:
patent: 2889315 (1959-06-01), Bossard et al.
patent: 3483180 (1960-12-01), Ramanathan
patent: 3573273 (1971-03-01), Seedfelder et al.
patent: 3640996 (1972-02-01), Sturm et al.
patent: 3642767 (1972-02-01), Hahn et al.
patent: 3660374 (1972-05-01), Weaver et al.

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