Disazo dyes containing two carbonylamino groups processes for th

Details Disazo dyes containing two carbonylamino groups processes for th Disazo dyes containing two carbonylamino groups processes for th

1996-07-15

1997-11-25

Powers, Fiona T.

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

Organic compounds

Azo

534643, 8924, C09B 31047, D06P 324

Patent

active

056914598

ABSTRACT:
Azo dyes of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another are unsubstituted or hydroxy-, C.sub.1 -C4-alkoxy- or halogen-substituted C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy;

REFERENCES:
patent: 3040024 (1962-06-01), Arlechelm et al.
patent: 5527889 (1996-06-01), Schaetzer et al.
Riat et al., Chemical Abstracts, 55:27899 (1961).

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