Substituted phenyl-azo-phenylene-azo-phenyl dyes

Details Substituted phenyl-azo-phenylene-azo-phenyl dyes Substituted phenyl-azo-phenylene-azo-phenyl dyes

1972-06-12

1976-05-11

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260156, 260174, 260186, 260205, 260206, 260207, 2602071, C07C 3104, C07C 3108, C07C 3114, C07C 4318

Patent

active

039562689

ABSTRACT:
This invention provides novel disperse dyes of formula I, ##SPC1##
in which R.sub.1 signifies hydrogen, cyano, alkyl or alkoxy,

REFERENCES:
patent: 3445454 (1969-05-01), Fishwick
patent: 3522234 (1970-07-01), Groebke
patent: 3523936 (1970-08-01), Toji
patent: 3661888 (1972-05-01), Sagal
patent: 3712882 (1973-01-01), Blackwell

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