Dystar Textilfarben Gmbh & Co. Deutschland Kg

Bayer Aktiengesellschaft

Dy Star Textilfarben Gmbh & Co.

Oystar Textil Farben Gmbh & Co.

Dystar Colours Deutschland Gmbh

Stefan Ehrenberg

Hermann Henk

Wolfram Reddig

Jörg Wörner

Wilfried Hansmann

Karl-Josef Herd

Wolfgang Harms

Christian Schumacher

Klaus Kunde

Stefan Meier

Andreas Giehl

Werner H Russ

Manfred Hoppe

Frank-Michael Stohr

Thomas Eizenhofer

Konrad Bootz

Aloysius Engel

Tracy Livesey

J&ouml;rg Dannheim

The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.

Mono-, di-or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials

The present invention relates to triphendioxazine dye of the general formula I where where Xto Xand also Rand Rare each as defined in the claims, processes for their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.

Reactive triphendioxazine dyes, methods for the production thereof, and use thereof

The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing

Mono-, Di-  or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber Materials

The present invention relates to reactive dyes of the general formula (1) where where Xto Xare each as defined in claimprocesses for their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.

Reactive azo dyes, their preparation and their use

The present invention relates to dyes of the general formula (I) where  the stated variables being as defined in claimto processes for preparing them and to their use for dyeing and printing hydroxyl-containing and/or carboxamido-containing material.

Water-soluble reactive mono- and di-azo dyes

Metal complex dyes based on Bucherer naphthols

Water-soluble fiber-reactive dyes preparation thereof and use thereof

Mixtures of fiber-reactive dyes, preparation thereof and use thereof for dyeing fiber materials

Described are fiber-reactive, water-soluble monoazo compounds which conform to the hereinbelow indicated and defined general formula (1) and which are capable of dyeing hydroxy- and/or carboxamido-containing material, especially fiber material, such as cellulose fibers, for example cotton or regenerated cellulose fibers, and also wool and synthetic polyamide fibers in high color strength and good fastnesses. ##STR1## where M is hydrogen, an alkali metal or some other salt-forming, colorless metal, D is a 2-sulfophenyl radical which may be additionally substituted by alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, sulfo and/or carboxy or is a 1-sulfonaphth-2-yl radical which may be additionally substituted by sulfo and/or carboxy, and the group --SO.sub.2 --Y is a fiber-reactive group of the vinyl sulfone series.

Monoaso compounds containing a fluoro-triazinyl group linked with a

The disclosed dyes (which are fiber-reactive and are useful for dyeing materials containing OH and/or carboxamide groups) are compounds of the formula (1)

Water-soluble fiber-reactive dyes, processes for their preparation, and

Dyes containing a 5,6-difluoropyrimidin-4-yl radical as fiber-reactive group are useful for dyeing hydroxy- and/or carboxamido-containing material, including fiber material, for example cellulose fibers, wool and polyamide.

Water-soluble fiber-reactive dyes, preparation thereof and use thereof

Improved unsymmetric reactive dyestuffs have the following formula ##STR1## wherein Y.sub.1 is a radical of the formula ##STR2## and wherein the other substituents have the meaning given in the description.

Triphendioxazine reactive dyestuff

Dyes of the formula (1) indicated and defined below, containing at least one sulfo group, which can be used for dyeing hydroxy and/or carboxamido-containing material, especially fiber material, for example cellulosic fiber materials, wool and synthetic polyamide. ##STR1## in which F is the radical of a dye molecule, n is the number 1 or 2, R.sup.A is hydrogen or substituted or unsubstituted lower alkyl, R.sup.B is hydrogen, unsubstituted or substituted lower alkyl or unsubstituted or substituted phenyl, X is halogen, R is hydrogen, lower alkyl, lower alkoxy halogen or sulfo, and G at the benzene ring forms the radical of a heterocycle which includes at least one carbonylamido group whose N atom can be substituted.

Water-soluble fiber-reactive dyes, process for their preparation, and

Process for preparing 2,4,6-trichloropyrimidine, characterized in that, in a first reaction step, barbituric acid is reacted, optionally in the presence of a catalyst, with phosphorus oxychloride and subsequently, in a second reaction step, with phosphorus pentachloride or with reactants forming the latter, in particular phosphorus trichloride and chlorine.

Process for preparing 2,4,6-trichloropyrimidine

Fibre-reactive dyestuffs based on barbituric acid, of the following formula ##STR1## wherein the substituents have the meaning given in the description, are distinguished by improved properties.

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Hattersheim, Germany

Stefan Ehrenberg