Publication number: 20060053571
Abstract: The present invention relates to azo dyes of formula (1) which are soluble in organic solvents, wherein R1 is —CN, —COOR5, —CONR6R7 or a heterocyclic ring, R2 is unsubstituted or substituted alkyl, unsubstituted or substituted aryl, —CF3, —COOR5, —CONR6R7 or —COR5, R3 is hydrogen, —SO3M, alkyl, alkoxy, alkylcarbonyl, —NO2 or halogen, R4 is substituted aryl, substituted heteroaryl or an aryl-N?N-aryl radical, wherein one or both of the aryl radicals in aryl-N?N-aryl is/are unsubstituted or substituted, or a radical heteroaryl-N?N-heteroaryl, wherein one or both of the heteroaryl radicals in heteroaryl-N?N-heteroaryl is/are unsubstituted or substituted, R5 is hydrogen, alkyl or unsubstituted or substituted aryl, R6 is hydrogen, alkyl or unsubstituted or substituted aryl, R7 is hydrogen, alkyl or unsubstituted or substituted aryl, M+ is a cation, n is a number 1, 2 or 3 and m is a number 1, 2 or 3, to a process for the preparation thereof and to the use thereof in the production of coloured plastics or polym
Type:
Application
Filed:
November 26, 2003
Publication date:
March 16, 2006
Inventors:
Leonhard Feiler, Thomas Raimann, Thomas Eichenberger, Max Hugin
Publication number: 20050155162
Abstract: The present invention relates to a proces for producing colored oxide layers on aluminum or on aluminum alloys by dyeing in an aqueous dye bath, rinsing with water and sealing, wherein there is used for the dyeing at least one dye of the general formula wherein m is a value from 1 to 8, especially from 1 to 4, n is a value from 0 to 7, especially from 1 to 4, the sum of m and n being less than or equal to 8, A is the radical of a chromophore of the 1-aminoanthraquinone, anthraquinone, anthrapyrimidine, azo, azomethine, benzodifuranone, quinacridone, quinacridonequinone, quinophthalone, diketopyrrolopyrrole, dioxazine, flavanthrone, indanthrone, indigo, isoindoline, isoindolinone, isoviolanthrone, perinone, perylene, phthalocyanine, pyranthrone or thioindigo series, B is a hydrogen atom, a branched or straight-chain C1-8alkyl, C2-8alkenyl or C2-8alkynyl radical, an aryl radical, an N—, O— or S-containing 5- or 6-membered heterocyclic ring, or a C1-8alkyl-arylene, aryl-C1-8alkylene or aryl-L-arylene radi
Type:
Application
Filed:
January 28, 2003
Publication date:
July 21, 2005
Inventors:
Hans-Thomas Schacht, Gibert Moegle, Didier Bauer, Leonhard Feiler, Olof Wallquist, Martin Muller
Publication number: 20040231073
Abstract: The present invention relates to a method of mass-colouring synthetic materials based on terpolymers of acrylonitrile, butadiene and styrene, which comprises using at least one dye of formula (1) wherein R1 is hydrogen, halogen, alkoxy, aryloxy, alkylthio or arylthio, R2 is hydrogen, a carboxylic acid group or a carboxylic acid ester group, R3 is hydrogen, halogen, alkoxy, aryloxy, alkylthio, arylthio, a carboxylic acid group or a carboxylic acid ester group, and W is a radical of formulae (2), (3), (4), (5), (6), wherein R4, R8 and R11 are each independently of the others hydrogen, alkyl, alkoxy, aryloxy, alkylthio or arylthio, R5, R7 and R10 are each independently of the others hydrogen, alkoxy, aryloxy, alkylthio, arylthio, a carboxylic acid group or a carboxylic acid ester group, R6 and R9 are each independently of the other cyano, —CONR12R13 or —SO2R14, wherein R12 and R13 are each independently of the other hydrogen or C1-C4alkyl and R14 is C1-C4alkyl, and X is —NH—, —O&mda
Type:
Application
Filed:
January 20, 2004
Publication date:
November 25, 2004
Inventors:
Peter Aeschlimann, Leonhard Feiler