Sandoz Gmbh

Sandoz Ltd., (Sandoz Ag)

Werner Koch

Paul Doswald

Kurt Brenneisen

Helmut A Moser

Roland Wald

Markus Gisler

Gunther Auerbach

Franz Somm

Hans Gerber

Erwin Grueninger

Markus Doerr

Markus Dorr

Dyes containing 5-cyano-2,4 or 4,6-dichloropyrimidyl fiber-reactive

Compounds of the formula ##STR1## wherein D is the residue of a metal-free azo dye free of fiber-reactive groups and containing 2 to 4 sulfo groups,

Asymmetric sulfo group-containing disazo compounds containing two

Compounds of the formula ##STR1## and salts thereof, and mixtures of such compounds and salts, wherein F.sub.c is ##STR2## wherein D.sub.1 is an unsubstituted or substituted phenyl or naphthyl diazo component radical,

Monoazo and disazo compounds having 5-cyano-2,4-and

Compounds of the formula ##STR1## and salts thereof, wherein R.sub.1 is hydrogen, C.sub.1-4 alkyl or C.sub.1-4 alkoxy,

2-(3,6,8-trisulfonaphth-2-ylazo)-5-[2-chloro-4-[2-(5-chlo

Compounds of the formula ##STR1## in which either and salts thereof R.sub.1 is hydrogen or hydroxy-C.sub.2-3 alkyl, and

2-chloro-4-[4'-(4',8'-disulfonaphth-2'-ylazo)-2'-methoxy-5'-methylanilino]-

Metal-free compounds of the formula ##STR1## a 1:1 or 1:2 metal complex of a metallizable compound of said formula or a salt of a metal-free compound of said formula or of a 1:1 or 1:2 metal complex thereof each cation of which is independently a non-chromophoric cation, or a mixture, thereof, wherein

Dyes having one or two 2,4- or 4,6-dichloro-5-cyanopyrimidyl groups

Compounds of the formula ##STR1## and salts thereof, wherein R.sub.1 is hydrogen, chloro, bromo, carboxy or sulfo,

1:1 Copper complexes of further unsubstituted or substituted

Compounds of the formula ##STR1## wherein each R.sub.1 is independently hydrogen, halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or --NHCOC.sub.1-4 alkyl, each R.sub.2 is H, halo, C.sub.1-4 alkyl or C.sub.1-4 alkoxy, each R.sub.3 is independently halo, hydroxy, C.sub.1-4 alkoxy, --NHOH, amino or an aliphatic, aromatic cycloaliphatic or saturated heterocyclic amino radical, and is divalent aliphatic or aromatic group or, together with the NH radicals to which it is attached, forms a piperazine ring, and the use thereof for dyeing or printing hydroxy group- or nitrogen-containing organic substrates after which the dyed or printed substrate is optionally treated with a cationic fixing agent.

Disazo compounds having two 4,8 Disulfonaphthyl-2 diazo component

A biomass containing biologically produced indigo or a derivative thereof which is used for dyeing without isolating the indigo dye from the rest of the solid biomass before dyeing. Cotton dyeings of clean pure shade can be obtained by a vat dyeing procedure which have the usual fastness properties associated with the active substance.

Method to due cotton and other substrates with a micro-organism biomass

Symmetrical compounds of the formula, ##STR1## in which R.sub.1 is hydrogen, C.sub.1-4 alkyl or C.sub.1-4 alkoxy,

Symmetrical unsubstituted and substituted

A dyeing or printing process for substrates consisting of synthetic or semi-synthetic, high molecular organic substances of hydrophobic character, performed with an organic dyestuff which is dispersed in a liquid organic compound containing a dissolved alkyd resin acting as a dispersing agent.

Dyeing with organic dyestuffs dispersed in an organic liquid

The present invention relates to compounds of formula I, ##STR1## in which R.sub.1 signifies a divalent, mono- or binuclear aromatic radical of the carbocylic or heterocyclic series, R.sub.2 signifies a hydrogen atom or an unsubstituted or substituted (C.sub.1-4)alkyl, phenyl, naphthyl or mono-or fused binuclear heterocyclic radical which is bound through a carbon atom, R.sub.3 signifies an oxygen atom or a group of formula &gt;N--R.sub.5 in which R.sub.5 has one of the significances given above for R.sub.2, and each of the R.sub.4 's independently, signifies a mono- or binuclear aromatic radical of the carbocyclic or heterocyclic series,

Substituted 2-imidazolin-5-ones

Disclosed are disperse dyes of formula I, ##STR1## in which X signifies O or NH, either R.sub.1 and R.sub.2 each signify an alkyl or phenyl radical,

Coumarin and coumarinimide derivatives

The present invention relates to compounds of formula I, ##STR1## in which R.sub.1 signifies a divalent, mono- or binuclear aromatic radical of the carbocyclic or heterocyclic series,

The present invention provides compounds of formula I, ##SPC1## in which, Either R.sub.1 signifies an unsubstituted or substituted (C.sub.1.sub.-4) alkyl radical, R.sub.2 signifies a hydrogen atom or an unsubstituted or substituted (C.sub.1.sub.-4) alkyl radical, Or, R.sub.1 and R.sub.2, together with the nitrogen atom to which they are attached, form a pyrrolidine, piperidine or morpholine ring, R signifies a group of formula (a) or (b), ##SPC2## In which R.sub.3 signifies a condensed further unsubstituted or substituted pyrimidine, pyridine or benzene ring or a condensed further unsubstituted naphthalene ring, and M signifies a hydrogen ion or a cation equivalent, which compounds are useful as anionic dyes.

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Oberwil, Switzerland

Werner Koch