Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Mixed dyes – noncomplexed
Patent
1994-09-08
1995-12-12
Richter, Johann
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Mixed dyes, noncomplexed
8532, 8918, 8922, D06P 118, C09B 6722
Patent
active
054745799
ABSTRACT:
The present invention relates to mixtures of monoazo dyes, characterised in that they comprise one or more dyes of the general formula I ##STR1## one or more dyes of the general formula II ##STR2## and one or more dyes of the general formula III ##STR3## in which R.sup.1 to R.sup.8 independently of one another, are methyl, ethyl or n-propyl and R.sup.1 and R.sup.2 may each also be i-propyl and Hal is chlorine or bromine, processes for their preparation and their use for the dyeing and printing of hydrophobic synthetic fibre materials and blends thereof with natural fibre materials.
REFERENCES:
patent: 4872883 (1989-10-01), Buhler et al.
patent: 4960434 (1990-10-01), Brierley et al.
patent: 4985044 (1991-01-01), Hahnke
Hoechst Mitsubishi Kasei Co.
Peabody John
Richter Johann
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