Water-soluble diphenylamine-azo-sulfatoalkoxyphenyl dyestuffs

Details Water-soluble diphenylamine-azo-sulfatoalkoxyphenyl dyestuffs Water-soluble diphenylamine-azo-sulfatoalkoxyphenyl dyestuffs

1976-08-12

1978-10-10

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260152, 260156, 260207, C09B 4300

Patent

active

041196236

ABSTRACT:
Dyestuffs, which in the form of the free acid of the formula ##STR1## wherein R.sub.1 denotes hydrogen, nitro, cyano, SO.sub.2 --R.sub.7, CONR.sub.8 R.sub.9, SO.sub.2 NR.sub.8 R.sub.9, SO.sub.2 OR.sub.10, COOR.sub.10, SO.sub.2 --NHSO.sub.2 --R.sub.11, sulpho or alkyl,

REFERENCES:
patent: 3883503 (1975-05-01), Van Assche et al.
patent: 3956267 (1976-05-01), Sommer et al.
patent: 3994873 (1976-11-01), Sommer et al.

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