Basic azo dyes with a coupling component of the hydroxynaphthale

Details Basic azo dyes with a coupling component of the hydroxynaphthale Basic azo dyes with a coupling component of the hydroxynaphthale

1992-12-30

1994-02-15

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534605, 534612, 534615, 534865, 534866, 534867, 8437, 8534, 8654, 8655, 8918, 8919, 8921, C09B 4406, C09B 2915, D06P 141

Patent

active

052868540

ABSTRACT:
Basic azo dyes useful for dyeing or printing polymeric material have the formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkanoylamino,

REFERENCES:
patent: 4652632 (1987-03-01), Colberg

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