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

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

1979-06-04

1982-04-13

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C10704, C09B 29095

Patent

active

043247210

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 ; R.sub.3 is C.sub.2-4 -alkylene; and R.sub.4 is a selected aliphatic, cycloaliphatic, or aromatic radical.

REFERENCES:
patent: 2016944 (1935-10-01), Ohlendorf
patent: 2045324 (1936-06-01), Felix et al.
patent: 2173417 (1939-09-01), Huber
patent: 2266142 (1941-12-01), Adams
patent: 2311033 (1943-02-01), Dickey
patent: 2359305 (1944-10-01), Dickey et al.
patent: 3598802 (1971-08-01), Weaver et al.
patent: 4054560 (1977-10-01), Bruno

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