The present invention relates to disperse azo dyes based on a phthalimido-substituted aniline coupling component and an aromatic-carbocyclic or an aromatic-heterocyclic diazo component, to a process for the preparation of such dyes and to their use in the dyeing or ...
|8088182||Azo dyes, a process for the preparation thereof and the use thereof|
The present invention relates to dyes of formula wherein D, R1, R2, R3, R4 and n are defined as in the claims, to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and espec...
|7413578||Colorants comprising cationic azacyanine dyes|
The present invention relates to agents comprising cationic azacyanine dyes of the formula (I) for coloring keratin fibers, such as, for example, wool, silk or furs and in particular human hair (where X1 is N—R1, O or S a...
|7410507||Use of cationic azacyanine dyes for coloring keratin fibers|
The present invention relates to the use of cationic azacyanine dyes of the formula (Ia) or (Ib) for coloring keratin fibers, and to a method of coloring hair with various degrees of damage. ...
|7407517||Cationic azo dyes with julolidine units, dyeing composition containing them, method of dyeing|
The present disclosure relates to the use of cationic azo compounds with julolidine units as direct dyes, for the dyeing of keratin fibers, including human keratin fibers, such as the hair. The present disclosure also relates to a dyeing composition for the dyeing o...
|7381228||Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber Materials|
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 ...
|7374583||Cationic azacyanine dyes and coloring agents containing said dyes|
The present invention relates to agents containing cationic azacyanine dyes having formula (I) for dyeing fibers, such as, for example, keratin fibers, wool, silk or fleeces, and in particular human hair, as well as to new asymmetrical azacyanine dyes.
|7358345||Disperse azo dyestuffs|
The present invention claims dyestuffs of formula (I), wherein D, R1 to R7 and n are defined as given in claim 1, a process for their preparation and their use ...
An azo dye represented by formula (I): A-N═N—B formula (I) wherein, A represents a group having a substituent required for inducing an intramolecular nucleophilic substitution reaction with a nitrogen atom of a r...
|7297168||Keratin dyeing compounds, keratin dyeing compositions containing them, and use thereof|
Five-membered heteroaromatic keratin dyeing compounds with one, two, or three heteroatoms. This invention further relates to a composition for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and one or more 5-membered heteroaromatic k...
|7070629||Dye composition comprising at least one diaminopyrazole oxidation base, at least one paraphenylenediamine oxidation base comprising a cyclic amino group, and at least one coupler|
The invention relates to a dye composition comprising a first oxidation base of the diaminopyrazole type, a second oxidation base of the para-phenylenediamine type containing a cyclic amino group, and a coupler. The invention also relates to the use of this c...
The object of the invention is an agent for the oxidative dyeing keratin fibers, wherein it contains (a) at least one 4,5-diaminopyrazole derivative of Formulas (I), (II) or (III) or its salt with organic or inorganic acids
|7004979||Dyeing composition comprising at least one diaminopyrazole oxidation base and at least one pyrazolo-azole coupling agent|
The invention relates to a dye composition comprising an oxidation base of the diaminopyrazole type and a pyrazolo-azole coupler. The invention also relates to the use of this composition for dyeing keratin fibres and also to the dyeing process using this com...
|6962610||Hair dye composition|
Provided is a hair dye composition containing a dissociative direct dye represented by the following formula (1): wherein, R1 to R4 each represents H or substituent, X represents OH or —NHSO
|6905522||Dye composition comprising an oxidation base of the diaminopyrazole type, a cationic oxidation base and a coupler|
Dye compositions comprising, in a medium suitable for dyeing: at least one first oxidation base chosen from 4,5-diaminopyrazole derivatives of formula (I) and addition salts thereof, at least one second cationic ox...
|6783558||Hair coloring method and composition|
The present invention is directed to a hair coloring method by using a composition comprising a specified ring-fused heterocycle direct dyestuff having the general formula (1) or a salt thereof wherein the formulas are as defined in the patent claims.
|6458194||Azo dye compound having 1,2,4-triazole as the azo component|
A dye compound excellent in transfer property and color fastness against light, a yellow dye excellent in light absorption property, a yellow dye compound for thermal transfer dye donating material excellent in solubility and a dye compound which can be s...
|6261737||Polymethine compounds, method of producing same, and use thereof|
The invention provides near infrared absorbers showing high light-to-heat conversion efficiency and high sensitivity to laser beams whose emission region is within the range of 750 nm to 900 nm, plates for direct printing plate making, and novel compounds...
|6077320||Use of diiminoisoindoline derivatives or 3-aminoisoindolone derivatives for dyeing keratin fibers, and dye compositions containing them|
Diiminoisoindoline derivatives or 3-aminoisoindolone derivatives, or tautomeric forms thereof, used as oxidizing-agent-free dye precursors in dyeing keratin fibers, in particular human keratin fibers such as the hair, without an oxidizing agent, in the pr...
|6074440||Mixture of dyes to form a black image|
The present invention relates to a mixture of dyes to form a black image. In particular, the present invention relates to a mixture that gives a black image having favorable stability to light and sufficient high density, and a thermal transfer recording ...
|5914444||Process for increasing the sun protection factor of cellulosic fiber materials|
Process for increasing the sun protection factor of cellulosic fibre materials by treating the cellulosic fibre materials with at least one direct dye and at least one UV absorber....
|5759212||Process for coloring synthetic textile materials|
A process for coloring a synthetic textile material or fiber blend thereof which comprises applying to the synthetic textile material a dye, which is free from water solubilizing groups, carrying at least one --SO2 F group provided that the dye...
|5697985||Process for the preparation storage-stable dye dispersions|
This invention relates to a process for the preparation of storage-stable dye dispersions of alkali metal salts of anionic azo direct dyes by (a) preparing an aqueous slurry of an alkali metal salt of an azo direct dye, said salt having a solubility in water a...
|5542956||Process for dyeing or printing hydroxyl group containing fiber materials|
The invention relates to a process for dyeing or printing hydroxyl group containing fiber materials, which comprises using at least one yellow or orange dyeing dye of formula ##STR1## wherein the substituents are as defined in claim 1, together with ...
|5403363||Dye mixtures containing azo dyes having a coupling component from the diaminopyridine series|
Dye mixtures comprising at least six isochromatic dyes of the formula ##STR1## where D is the radical of a diazo component of the aniline, aminothiophene, aminothiazole, aminoisothiazole or aminobenzisothiazole series and one of the radicals X1
|5288680||Process for the preparation of finished dyeings which are fast to thermomigration: orange-dyed polyester fabrics|
The present invention relates to a process for the preparation of finished dyeings of high fastness to thermomigration on fibre materials consisting completely or partly of polyester, characterized in that the material is dyed with one or more dyestuffs o...
|5234467||Azo dye mixtures and their use for dyeing natural and synthetic polyamide fibers|
The invention relates to a dye mixture comprising at least one dye of the formula ##STR1## in which R1 and R2, independently of one another, are hydrogen or substituted or unsubstituted C1 -C8 alkyl or phen...
The novel compound of the general formula I ##STR1## where X is fluorine, chlorine, bromine, SO2 Y or unsubstituted or substituted hydroxyl or mercapto, Y is alkyl, alkenyl, cycloalkyl, aralkyl, aryl, chlorine or unsubstituted or substitut...
|5188641||Colored polymers from azo dye monomers containing olefinic groups|
A colored polymer containing repeat units derived from at least one azo dye which is free from water-solubilizing groups and contains at least one polymerizable olefinically unsaturated group and has the formula: A--N.dbd.N--E wherein A represents the residue ...
|5143519||Concentrated acid dye solutions: storage stable aqueous dye concentrate with di-ethyl-amino-propylamine|
Concentrated dye solutions of dyes of the formula (1) shown in claim are described. The dye solutions are distinguished by a good storage stability and are suitable, in particular, for dyeing paper....
|5112362||Navy dye mixtures of azo disperse dyes for polyester|
Dye mixtures useful for dyeing or printing synthetic fabrics contain at least one azo dye whose diazo component is 2-amino-3,5-dicyano-4-methylthiophene and whose coupling component comes from the 2-amino-4-thienylthiazole series and also at least one azo...
|5096460||Red dye mixtures and their use: dyeing natural or synthetic polyamides|
The invention relates to a dye mixture containing a dye of the formula ##STR1## in which R1 is methyl or ethyl and at least one dye of the formulae (2) and (3) ##STR2## in which D is substituted or unsubstituted phenyl, thiophenyl or ...
|5092906||Anionic azo dye mixtures and their use for dyeing natural and synthetic polyamides|
The invention relates to a dye mixture containing a dye of the formula ##STR1## in which R1 is methyl or ethyl and at least one dye of the formulae (2) to (4) ##STR2## in which R2 is halogen, benzoylamino which is unsubstit...
|5049189||Method of preparing a solution of sulfonated aryl azo/diaryl guanidine-complexed dye|
A liquid dyestuff, useful as a major component of a ballpoint ink is prepared. A dye base, having both a sulfonic acid group and an azo group bonded to the same aromatic ring system, is provided in the aqueous phase of a two-phase system in which the orga...
|5045084||Process for trichromatic dyeing or printing|
A process for the trichromatic dyeing or printing of natural and synthetic polyamide fibre materials, which comprises using at least one red dye of the formula ##STR1## in which D,R1,R2,R3,R4 and n are as d...
|4980459||Process for the manufacture of formulations of water-insoluble azo dyes|
The invention describes a process for the preparation of formulations of water-insoluble to sparingly soluble azo dyes by simultaneous diazotization and coupling in a single step reaction, filtering the dye dispersion and, if desired, drying the dyestuff,...
|4960435||Crystalline form of acetamido-amino-nitro-azo-benzene dye and a process for preparing the same|
A crystalline form of the dye represented by the following formula (1): ##STR1## characterized by an X-ray diffraction pattern having a strong peak at the angle of diffraction (2θ) of 23.2° and relatively strong peaks respectively at the angles of ...
|4940469||Low-foaming composition for finishing synthetic fibres: dye or optical brightener or ultra-violet absorber and alkylene-diamide:ethylene-distearamide|
A stable and low-foaming composition for finishing synthetic fibres which contains, based on (a)+(b)+(c) (a) 15 to 84% by weight of a sparingly water-soluble or water-insoluble dye, fluorescent whitening agent or UV absorber, (b) 15.5% to 75% by weight of one ...
|4934009||Stabilized aqueous liquid composition of fiber-reactive azo dye: mixture with vinyl-sulphonyl and beta-sulphato ethyl-sulphonyl substituents for low temperature stability|
An aqueous liquid dye composition comprising 5 to 50% by weight of a mixture of at least one dye represented by the following formula (I), ##STR1## wherein A is a phenylene or naphthylene group unsubstituted or substituted by at least one member sele...
|4931067||Method or dyeing using phase change dyestuffs|
Method is set forth of dyeing a material comprising forming a solution having a basic salt of a water soluble dye of the formula: ##STR1## wherein n is 0 or 1; m is 0 or 1; m=1 when n=0; p=0 when m=1; p=1 when m=0; the subscripts 1 and 0 indicating, respe...