Preparation of phenylazonaphthalenes

Details Preparation of phenylazonaphthalenes Preparation of phenylazonaphthalenes

1997-05-27

1998-06-23

Powers, Fiona T.

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

Organic compounds

Azo

534728, 534882, 8527, C09B 4100, C09B 6726

Patent

active

057707081

ABSTRACT:
A process for preparing aqueous preparations of azo dyes of the formula ##STR1## where R is hydrogen or C.sub.1 -C.sub.4 -alkyl and

REFERENCES:
patent: 3792077 (1974-02-01), Bermes et al.
patent: 4035350 (1977-07-01), Landler et al.
patent: 4058517 (1977-11-01), Bermes
patent: 5173086 (1992-12-01), Bermes

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