Aryl- or alkyl-sulphonyl aminosulphonylphenyl-azo-arylene-azo-ph

Details Aryl- or alkyl-sulphonyl aminosulphonylphenyl-azo-arylene-azo-ph Aryl- or alkyl-sulphonyl aminosulphonylphenyl-azo-arylene-azo-ph

1972-07-10

1977-05-17

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260174, 260177, 260184, 260191, 260185, 260206, 260208, 260196, 260198, 260205, C09B 3106, C09B 4318

Patent

active

040241262

ABSTRACT:
Disazo dyestuffs, which in the form of the free acid, have the formula ##STR1## wherein R.sub.1 is an aromatic radical, an aliphatic radical with 1-4 C atoms or a dialkylamino radical;

REFERENCES:
patent: 3134766 (1964-05-01), Merian et al.
patent: 3310550 (1967-03-01), Liechti

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