The present invention relates to black reactive dyestuff mixtures containing navy blue dyestuffs of the formula (1) yellow or orange dyestuffs of the formula (3) optionally further dyestuffs of the formula (2) optionally further yellow/orange dyestuffs of the formula (4 1) to (4 6) and optionally further dyestuffs o...

Water soluble dyestuffs having two vinylsulfone reactive groups in the form of free acid of the formula (1) and salts thereof (1) wherein X is NHCN  NHR  N (CH 3 ) R  O R or S R or X is a heterocyclic radical of the formula wherein W has one of the meanings of R wherein R is selected from C1 C6 Alkyl which is substi...

Bisazo dyes based on derivatives of N substituted 2 amino 5 naphthol 7 sulfonic acid of formula (1) wherein R is a radical of the formula W Q wherein W is C C Alkylene which can be substituted by hydroxyl group D and D are independently of each other a benzene or naphthyl radical which are 10 substituted by fibre re...

one bisazo dyestuff of the formula (2) The present invention relates to binary and ternary fibre reactive dyestuff mixtures comprising one bisazo dyestuff of formula (1), and one formazane dyestuff of the formula (3). The present invention also provides new blue dyestuffs containing polyfunctional ...

Bisazo dyes based on derivatives of N-substituted 2-amino-5-naphthol-7-sulfonic acid of formula (1) wherein R1 is a radical of the formula -W-Q wherein W is C1-C6 Alkylene, which can be substituted by hydroxyl group, Q  is a carboxylic acid or inorganic acid radical, or a derivative thereof. D1 and D2 are in...

Water soluble dyestuffs having two vinylsulfone reactive groups in the form of free acid of the formula (1) and salts thereof 1) wherein X is -NHCN, -NHR, -N (CH3) R, -0- R; or -S- R or X is a heterocyclic radical of the formula wherein W has one of the meanings of R, wherein R is selected from Cl-C6-Alk...

Disperse azo dyes of formula (1)   wherein the dye molecule of formula (I) comprises at least two SO2F groups either as substituent, sub-substituent or combination thereof; X, Y and Z are, independently, hydrogen, methyl, halogen, cyano, nitro or SO2F wherein at least one of X, Y and Z is SO2F; R1 is hydrogen,...

New fibre reactive trisazo dyestuffs of formula (1) Formula (1) wherein K is a radical of the formulae Q2 The present invention further relates to a process for the preparation of the compounds of the formula (1). as well as mixtures of formula (1) with bisazo dyes of formula (2) which optionally comprises f...

The present invention relates to polyazo reactive dyes comprising of stilbene or diaminodiphenylsulfone derivatives of formula (1), Formula (2) and Formula (3). Where, A= 4,4'-diaminostiibene-2,2,-disulphonic acid; 4:4'-DiaminodiphenyIsufone; 3:3'-Diaminodiphenylsulfone which can be applied as single dye ...

The present invention is directed to a disperse dye of formula (1) Wherein X Y and Z are independently hydrogen halogen cyano nitro or SOF; Wherein at least one of X Y and Z is SOF. R is hydrogen methyl hydroxyl or NHR; R is hydrogen chloro or methoxy; R is hydrogen (C C) alkyl or CH (CH)COOCHCN; R is hydrogen (C C)...

Novel disperse azo dyes of formula (I) and processes for preparation thereof. These dyes possess superior washing fastness sublimation fastness and light fastness.

The present invention relates to novel vinylsulfone intermediates and reactive dyes and processes thereof. The present inventors have surprisingly developed a novel vinyl sulfone reactive dye intermediate having vinyl sulfone substituents bound directly to the aromatic or heteroaromatic nucleus of the coupling comp...

The present invention relates to black reactive dyestuff mixtures, containing navy blue dyestuffs of the formula (1), yellow or orange dyestuffs of the formula (3), optionally further dyestuffs of the formula (2), optionally further yellow/orange dyestuffs of the formula (4-1) to (4-6) and optionally further dyestuf...

The present invention relates to black reactive dyestuff mixtures, containing navy blue dyestuffs of the formula (1), orange-brown dyestuffs of the formula (2), and optionally further dyestuffs for shading. The black mixtures are suitable for coloration of fibre material, in particular for dyeing and printing of ce...

A method for dyeing polyamide/nylon, silk, wool, Cotton and polyester and blends of these fibers with fiber reactive disperse azo dyestuffs of formula (1) in a supercritical fluid such as CO2.

The present invention belongs to disperse reactive dyes with a vinyl-sulfone moiety, its synthesis and its usage in colouration of fibers type. The disperse reactive dyes of present invention have good dyeing activity and exhibit good dyeing performance on both polyamide fiber and polyester fiber on dyeing through S...

The present invention is directed to a disperse dye of formula (1) Wherein, X, Y and Z are, independently, hydrogen, halogen, cyano, nitro or SO2F; Wherein at least one of X, Y and Z is SO2F. R1 is hydrogen, methyl, hydroxyl or NHR4; R2 is hydrogen, chloro or methoxy;...