Anthraquinone dyes, process for their preparation and the use th

Details Anthraquinone dyes, process for their preparation and the use th Anthraquinone dyes, process for their preparation and the use th

1995-03-08

1996-04-02

Richter, Johann

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

Organic compounds

Polycyclo ring system containing anthracene configured ring...

C07C 5034

Patent

active

055042279

ABSTRACT:
Anthraquinone dyes of formula ##STR1## wherein R.sub.2 and R.sub.2 are each independently of the other hydrogen or C.sub.1 -C.sub.4 alkyl,

REFERENCES:
patent: 3671176 (1972-06-01), Kaufmann et al.

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