1-(4-Acyloxyalkylaminonaphthylazo)-4-nitrobenzene disperse dyes

Details 1-(4-Acyloxyalkylaminonaphthylazo)-4-nitrobenzene disperse dyes 1-(4-Acyloxyalkylaminonaphthylazo)-4-nitrobenzene disperse dyes

1975-12-31

1977-10-18

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260152, 2603477, 260465E, 2605706, 260573, 560 55, 560103, 560255, C09B 2906, C09B 4318

Patent

active

040545601

ABSTRACT:
Disperse monoazo dyes, useful for the dyeing and printing of polyester, polyamide and cellulose acetate fibers in navy-blue shades, having the formula ##STR1## wherein R.sub.1 is Br, Cl or CN; R.sub.2 is CN or NO.sub.2 ; is C.sub.2-4 --alkylene; and R.sub.4 is a selected aliphatic, cycloaliphatic, or aromatic radical.

REFERENCES:
patent: 2045324 (1936-06-01), Felix et al.
patent: 2266142 (1941-12-01), Adams
patent: 2373700 (1945-04-01), McNally et al.
patent: 3598802 (1971-04-01), Weaver et al.
patent: 3817977 (1974-06-01), Groebke

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