Clariant Finance (Bvi) Limited

Stahl International B.v.

Sandoz Gmbh

Clariant International Ltd

Archroma IP Gmbh

Markus Gisler

Roland Wald

Rainer Nusser

Roberta Gamarino

Licia Trimarco

Claus Reineking

Maurizio Quaglierini

Helmut A Moser

Werner Koch

Paul Doswald

Gunther Auerbach

Kurt Brenneisen

Markus Doerr

Markus Dorr

Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being a sulfo-group-containing dichloro-diazine selected from compounds of formula (I), (II), (III) and mixtures of two or more thereof,   wherein R1 signifies hydrogen, methyl, methoxy, benzoyl, naphthoyl, mono- or di(C-alkyl)-aminocarbonyl, C-alkoxy-carbonyl or oxy-mono- or oligo-C-alkyleneoxy)-carbonyl, R&#x2014;(SOM)signifies a radical of formula (a) or (b), wherein Rsignifies hydrogen, C-alkyl or C-alkoxy, m is 1 or 2, n is 1 or 2, and M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

Non metal tanning

Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or belt with a tanning agent (A) of at least a mixture of compounds of formula (I) and formula (II), wherein Hal signifies fluorine or chlorine, R1 signifies hydrogen, C-alkyl or an alkyleneoxy radical of formula (III), &#x2014;(&#x2014;Calkylene-O&#x2014;)&#x2014;H (III); R2 signifies a) phenyl, mono- or di-substituted with SOM or COOM and optionally substituted also with hydroxyl, C-alkyl C-alkoxy; b) naphthyl, mono- or di- or tri-substituted with SOM and optionally substituted also with hydroxyl; c) C-alkylene, substituted with (SOM) or (COOM); d) aradical of formula (IV), &#x2014;(&#x2014;Calkylene-O&#x2014;)&#x2014;Y (IV) or e) a radical of formula (IVa) &#x2014;(Calkylene-O)&#x2014;Calkylene-SOCH2CHO&#x2014;Y (IVa), M signifies 1 or 2, p signifies 0 or 1, Y signifies hydrogen or &#x2014;SOM, q signifies 1 to 10, M signifies hydrogen, an alkali metal cation or an ammonium cation being aprotonated tertiary amine or a quaternary ammonium cation, R3 signifies hydrogen or chlorine. In a tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

Non-metal tanning process

Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I),  

Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of a formula (I), wherein X signifies fluorine or chlorine, and/or (NR), wherein R is a substituted or unsubstituted Cto Calkyl group, a substituted or unsubstituted Cto Caryl or a Cto Cheteroaryl group, R1 signifies hydrogen, C-alkyl or an alkyleneoxy radical of a formula (Ia), -(&#x2014;Calkylene-O&#x2014;)&#x2014;H (Ia), R2 signifies hydrogen or hydroxyl, m, signifies 1, 2 or 3, q is of from 1 to 10, M signifies hydrogen or an alkali metal cation or an ammonium cation, being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of a formula (I), wherein X signifies fluorine or chlorine, and/or (NR), wherein R is a substituted or unsubstituted Cto Calkyl group, a substituted or unsubstituted Cto Caryl group or a Cto Cheteroaryl group, R1 signifies hydrogen, C-alkyl or an alkyleneoxy radical of a formula (Ia), &#x2014;(&#x2014;Calkylene-O&#x2014;)&#x2014;H (Ia), R2 signifies substituted or unsubstituted Cto Calkylenesulphonic acid, substituted or unsubstituted Cto Calkylenecarboxylic acid or an alkyleneoxy radical of formula (Ib), &#x2014;(&#x2014;Calkylene-O&#x2014;)&#x2014;Y (Ib) or an alkylene sulfonyl alkyleneoxy radical of formula (Ic), &#x2014;(&#x2014;Calkylene-O&#x2014;)&#x2014;C-alkylene- SOCHO&#x2014;Y (Ic), m signifies 1 or 2, p signifies 0 or 1, q is of from 1 to 10, Y signifies hydrogen or &#x2014;SOM, M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of a formula (I), wherein X signifies fluorine or chlorine, and/or (NR), wherein R is a substituted or unsubstituted Cto Calkyl group, a substituted or unsubstituted Cto Caryl or a Cto Cheteroaryl group, R1 signifies hydrogen, C-alkyl or an alkyleneoxy radical of a formula (Ia), &#x2014;(&#x2014;Calkylene-O&#x2014;)&#x2014;H (Ia), R2 signifies hydrogen, hydroxyl, C-alkyl or C-alkoxy, m, signifies 1 or 2, n signifies 0 to 2, q is of from 1 to 10, M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step, wherein the bated hide or skin or pelt is subjected to tanning with (A) without previous pickling.

Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (1), R&#x2014;NH&#x2014;Y&#x2014;SO&#x2014;Z (1), wherein R is a radical of formula wherein Hal is fluorine or chlorine, X is N or CR1, Y is an aliphatic, aromatic or aromatic hydrocarbonic bridge which may be optionally be interrupted by a heteroatom or heteroatomic group, Z is vinyl, &#x3b2;-chloroethyl, &#x3b2;-phosphatoethyl or &#x3b2;-sulphatoethyl, R1 is hydrogen or Cl, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

The present invention relates to a process for the trichromatic dyeing or printing of hydroxy-group-containing or nitrogen-containing organic substrates with dye mixtures and also to such dye mixtures and hydroxy-group-containing or nitrogen-containing organic substrates dyed or printed therewith.

Trichromatic dyeing process and dye mixtures used therein

Fibre-reactive trisazo compounds of the formula (I) bearing halogenated pyrimidine reactive moieties and where the substituents are each as defined in the claims, and also the associated synthesis, the use of the compounds for dyeing or printing hydroxyl-containing or nitrogenous organic substrates, the use of the compounds as a component in an inkjet printing ink and also the dyed or printed substrates.

Organic compounds

According to the invention there are provided fiber-reactive dyestuffs which are compounds of the formula (I) wherein the substituents are defined as in claima process making the same and their use in dyeing or printing hydroxy-group-containing organic substrates.

Fiber-reactive mono-azo dyes

This invention relates to novel fibre-reactive formazan dyes of the formula (I):where the symbols are each as defined in claim 1, their preparation, their use for dyeing and printing hydroxyl-containing or nitrogenous organic substrates and substrates dyed or printed with these compounds.

Formazan reactive dyes

Fiber-reactive disazo compounds

The invention is concerned with compounds according to the formula (I)

Fiber-reactive disazo dyestuffs

Novel aluminium phthalocyanine compounds of having the formula ##STR1## and their salts wherein D represents --SO.sub.2 NR.sub.a --A--SO.sub.2 --B or ##STR2## --SO.sub.2 B is a fiber-reactive group and Z is a heterocyclic fiber-reactive group having 1 or 2 labile halogens selected from fluorine or chlorine. The novel aluminium phthalocyanine compounds and their salts are fiber-reactive dyestuffs useful in dyeing or printing hydroxy-group-containing or nitrogen-containing organic substrates.

Aluminum phthalocyanine reactive dyes

The invention is related to compounds of formula (I) ##STR1## their salts and mixtures thereof wherein the symbols are as defined in the specification are useful as fibre-reactive dyestuffs for dyeing or printing hydroxy-group-containing or nitrogen-containing organic substrates.

Growing community of inventors

Rheinfelden, Switzerland

Markus Gisler