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Sabine Gruettner-Merten

Helmut Reichelt

Karl-Heinz Etzbach

Arno Lange

Ruediger Sens

Matthias Wiesenfeldt

Helmut Degen

Heike Kilburg

Gerhard Wagenblast

Wolfgang Hoelderich

Gunther Lamm

Erwin Hahn

Bernhard Albert

Volker Bach

Clemens Grund

Erhard Klahr

Guenter Lauth

Peter Saling

Azo dyes of the formula ##STR1## where X is oxygen or a radical of the formula NR.sup.6, where R.sup.6 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl,

Phenylazoanilines

Molecular sieves containing azo dyes

Azo dyes of the formula ##STR1## where L.sup.1, L.sup.2, L.sup.3, L.sup.4, X and K are as defined in the specification, and crystal forms of thienylazobenzene dyes are useful for dyeing or printing textile materials such as polyesters, fibers or fabrics made of cellulose esters or polyamides or blend fabrics from polyester and cellulose fibers with high color strength, good fastness properties and brilliant hues.

Azo dyes with an acetalized diazo component of the thiophene or thiazole

Azo dye polymers useful in nonlinear optics contain as characteristic monomer units radicals of the formulae I, II, III and IV ##STR1## where D is the radical of a heterocyclic diazo component,

Azo dye polymers

Blue dye mixtures useful for dyeing or printing polyester fabrics contain from 30 to 95% by weight, based on the total weight of the dyes, of one or more dyes based on 1,4-diaminoanthraquinone-2,3-dicarboximides and also from 5 to 70% by weight based on the total weight of the dyes, of one or more thiopheneazo dyes having a coupling component of the aniline series.

Blue dye mixtures of high brilliance

There are described the use of pyridine dyes of the formula ##STR1## where R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.20 -alkyl, substituted or unsubstituted phenyl or hydroxyl,

Use of pyridine dyes in the textile sector, dye mixtures with pyridine

Thiazoleazo dyes useful for dyeing or printing textile fibers have the formula ##STR1## where R.sup.1 is hydrogen, substituted or unsubstituted C.sub.1 -.sub.6 -alkyl, halogen, substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, substituted or unsubstituted C.sub.1 -C.sub.6 alkythio, substituted or unsubstituted phenylthio, C.sub.1 -C.sub.6 -alkylsulfonyl, substituted or unsubstituted phenylsulfonyl or C.sub.1 -C.sub.4 -alkoxycarbonyl,

Thiazoleazo dyes having a coupling component of the diphenylamine series

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