Pyridoneazo dyes with an M-aminobenzoic ester as the diazo compo

Details Pyridoneazo dyes with an M-aminobenzoic ester as the diazo compo Pyridoneazo dyes with an M-aminobenzoic ester as the diazo compo

1990-02-14

1991-11-19

Lee, Mary C.

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

Organic compounds

Azo

534573, 534582, C09B 2942, D06D 352

Patent

active

050667912

ABSTRACT:
Pyridoneazo dyes of the formula ##STR1## where L is C.sub.2 - or C.sub.3 -alkylene, R is C.sub.1 -C.sub.3 -alkyl and n is 1, 2 or 3, are useful for dyeing polyester fabrics.

REFERENCES:
patent: 3487066 (1969-12-01), Ritter et al.
patent: 3923776 (1975-12-01), Gnad
patent: 4305718 (1981-12-01), Loeffler et al.
patent: 4380452 (1983-09-01), Loeffler et al.
Mitsubishi I, Chemical Abstracts, vol. 100, No. 105092t (1984).
Mitsubishi II, Chemical Abstracts, vol. 100, No. 87239q (1984).
Mitsubishi III, Chemical Abstracts, vol. 101, No. 153476p (1984).
Mitsubishi IV, Chemical Abstracts, vol. 101, No. 173004m (1984).
Mitsubishi V, Derwent Abstract of JP-A-136656/1983.

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