Clariant Finance (bvi) Limited

Sandoz Gmbh

Robert Egli

Beat Henzi

Oliver Eich

Knut Göke

Hans-Tobias Macholdt

Reinhard Pedrazzi

Ruedi Altermatt

Thomas Grabenstein

Disperse dyes of the general formula (I) where and the substituents are each as defined in the first claim. Further described are the preparation and the use of the dyes according to the invention.

Disperse dyes

The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or printed by such dyestuffs.

Azo compounds

The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or printed by such dyestuffs 

Azo dyes

A composition for printing recording materials comprising a) at least one temporarily water-soluble dye with one SOCHCOOM group being present in the molecule; b) water or a medium including a mixture of water and an organic solvent, an anhydrous organic solvent or a solid having a low melting point, and c) optionally further additives.

Composition for printing recording materials

Compounds of the formula ##STR1## wherein R, R.sub.1 and R.sub.2 are as defined in the specification and R.sub.3 is amino or --N.dbd.N--K, wherein K is a coupling component radical. The compounds wherein R.sub.3 is --N.dbd.N--K are useful as disperse dyes, and those wherein it is amino are useful as intermediates in the synthesis of those wherein it is --N.dbd.N--K.

2-Amino-3,5,disubstituted-4-halothiophenes and processes for the

A compound of the formula I ##STR1## in which D is a diazo component,

Compounds of the formula ##STR1## wherein R is halo,

Azo compounds having 2,4-disubstituted-3-halothienyl-5-diazo component

Compounds of the formula ##STR1## in which K is the radical of a coupling component of the aniline, .alpha.-naphthylamine, pyrazolone, aminopyrazole, indole, tetrahydroquinoline, thiazole, phenol, naphthol, pyridine or pyridone series.

Azo compounds having a 5-substituted-4-chlorothiazolyl-2-diazo component

The present invention relates to compounds obtained by condensing a compound of formula I, ##STR1## or a salt thereof, in which R is a primary, secondary or tertiary amino group, with a Vilsmeier reagent, and derivatives of such aldehydes.

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Therwil, Switzerland

Robert Egli