Water-soluble disazo dyestuffs containing a 3- or 4-[pyrazolylen

Details Water-soluble disazo dyestuffs containing a 3- or 4-[pyrazolylen Water-soluble disazo dyestuffs containing a 3- or 4-[pyrazolylen

1975-04-08

1977-09-27

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260154, 260158, 260160, 260162, 260163, C09B 6208, C09B 6224, C09B 6274, C09B 6282

Patent

active

040511189

ABSTRACT:
Water-soluble disazo dyestuffs of the formula ##STR1## WHEREIN A represents phenyl, naphthyl or phenyl or naphthyl substituted by lower alkyl or sulphamoyl,

REFERENCES:
patent: 2993038 (1961-07-01), Fasciati et al.
patent: 3196145 (1965-07-01), Reding et al.
patent: 3288777 (1966-11-01), Benz et al.
patent: 3304297 (1967-02-01), Wegmann et al.
patent: 3449317 (1969-06-01), De Montmollin
patent: 3450689 (1969-06-01), Langbein et al.

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