Blue type disperse dye mixture and process for its preparation

Details Blue type disperse dye mixture and process for its preparation Blue type disperse dye mixture and process for its preparation

1996-10-09

1998-04-28

Powers, Fiona T.

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

Organic compounds

Azo

534850, 534DIG1, 8639, 8922, C09B 6722, C09B 4100

Patent

active

057445885

ABSTRACT:
A blue type disperse dye mixture comprising 1.0 part by weight of at least one dye of the formula (1), from 0 to 0.2 part by weight of at least one dye of the formula (2), from 0.05 to 1.0 part by weight of at least one dye of the formula (3) and from 0.05 to 1.0 part by weight of at least one dye of the formula (4): ##STR1## wherein X is a chlorine atom or a bromine atom, R.sup.1 is a C.sub.1-5 alkyl group, R.sup.2 is a C.sub.1-4 alkyl group, and R.sup.3 is a C.sub.1-5 alkyl group or an allyl group, provided that R.sup.1, R.sup.2 and R.sup.3 may, respectively, be the same or different among the formulae (1) to (4).

REFERENCES:
patent: 5393308 (1995-02-01), Lange et al.

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