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WO/1997/014843 |
The description relates to a process for dyeing a textile substrate in at least one supercritical fluid, preferably for dyeing spools of yarn in supercritical carbon dioxide, where the textile substrate is placed in an autoclave in which...
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WO/1997/013915 |
A process is disclosed for dyeing a textile substrate, in particular for dyeing polyester yarns. The substrate to be dyed is placed in an autoclave and a supercritical fluid containing at least one dyestuff is applied to it, i.e. passed ...
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WO/1997/012089 |
Cationic-dyeable carpet nylon is prepared by dyeing cationic-dyeable nylon fibers with acid or premetallized dye. The purpose of this process is to improve lightfastness and depth of shade and increase stain resistance so that the cation...
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WO/1997/010799 |
The disclosure pertains to oxidation dyes containing at least one pyrimidine derivative with 2-4 amino substituents and 0-2 hydroxy substituents on the pyrimidine ring in combination with 1-(2'-hydroxyethyl)-2,5-diaminobenzene and/or 2-(...
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WO/1997/010237 |
The invention concerns compounds of general formula (I) and their salts with inorganic and organic acids, in which R1, R2, R3 and R4, independently of each other, are a hydrogen atom, a C1-C4 alkyl group, a hydroxy C2-C3 alkyl group, an ...
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WO/1997/004740 |
Oxidation colorants for dyeing keratinic fibers, containing developer components and possibly coupling components in a water-containing vehicle, having as a developer component a pyrimidine derivative, with 2-4 amino substituents and 0-2...
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WO/1997/004739 |
Oxidation colorants which contain a mixture of at least two components A and B as alkalisation agents, of which A is selected from amino-acids and oligo-peptides with at least one amino group and at least one -COOH- or SO3H- group, the 2...
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WO/1997/005308 |
Improved polyester fibers which can be dyed fast and deep with disperse dyes at 95 �C or below; and products of dyeing of a fabric made of a fiber mixture comprising the polyester fibers and at least one member selected from among cell...
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WO/1997/000996 |
A fiber mixture containing cellulosic and polyester fibers is dyed with a reactive dye at least 60 % of which is fixed to the cellulosic fibers at a pH of 9.0 to 12.0 and a bath temperature of 50 to 85 �C and an alkali-fast disperse dy...
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WO/1997/000353 |
The invention relates to a process for the dyeing of a highly oriented moulded article substantially consisting of a polyethylene having a weight average molecular weight of at least 400 kg/mol. The invention also relates to dyeing of ar...
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WO/1996/037559 |
A formulation essentially consists of a cationic polysaccharide and one or several anionic dyestuffs.
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WO/1996/037641 |
Sulphonated regenerated cellulose fibres are produced by adding a modifier to a viscose mass or to an alkaline cellulose or cellulose solution and by spinning it into fibres. The modifier is starch etherified with C2-C5 alkyl sulphonic a...
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WO/1996/037642 |
Aminated regenerated cellulose fibres are produced by adding to a viscose mass, alkaline cellulose or cellulose solution one or several starches with a substitution degree from 0.1 to 3 etherified with C2-C5 alkylamines that may be furth...
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WO/1996/035012 |
A process for defining a substrate is provided. The process comprises applying to the substrate a water soluble dye having at least two electrophilic groups and a nucleophilic agent having a molecular weight below 600 and at least one gr...
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WO/1996/034591 |
Novel compositions for oxidation colouring of keratin fibres, containing one or more particular diaminopyrazole derivatives are described, as well as a colouring process using this composition, novel diaminopyrazole derivatives and a met...
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WO/1996/033692 |
The present invention relates to the use of compounds of general formula (I) in which R1 to R3 and n are as defined in claim 1, as couplers in the production of oxidation pigments and hair colorants which contain the compounds of general...
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WO/1996/029463 |
The present invention provides a dye-fixing agent, obtainable by reacting in a first reaction step, either a homopolymer of diallylamine or N-methyl-diallylamine or a copolymer of diallylamine and N-methyl-diallylamine, with an epihalohy...
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WO/1996/029461 |
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.
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WO/1996/029046 |
The proposal is for novel polymer dyestuffs obtained by condensing cationic biopolymers, e.g. chitosame, with dyestuffs which have a basic group, preferably a halogen function. The dyestuffs spread as a film on the fibres and can easily ...
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WO/1996/028603 |
The description relates to a process for improving the light-fastness of dyed polyamide fibre materials in which the polyamide fibres material is treated in an aqueous bath with an auxiliary selected from the group of (a) acid esters or ...
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WO/1996/026982 |
The invention concerns a method of dyeing polyester or polyester-containing textile materials at a pH of between 8 and 11, and is characterized in that one or a plurality of monoazo dyes of general formula (I) are used, wherein X is (C1-...
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WO/1996/025549 |
The present invention relates to a process for increasing the sun protection factor of cellulosic fibre materials, which comprises treating the cellulosic fibre materials with at least one reactive dye and at least one reactive UV absorber.
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WO/1996/023841 |
Granular leuco vat-dye preparations containing, as essential components, leuco vat-dye, reducing agents and alkaline metal hydroxide, and the production of said preparations and their use in dyeing cellulose-containing textile materials.
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WO/1996/022075 |
The object of the invention is the use of diketo compounds of the formula (I) in which X is a saturated or unsaturated alkylene radical with 2 to 4 C atoms, which may be substituted by halogen, hydroxy, C1-C4 alkoxy, C1-C4 alkyl, C1-C4 h...
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WO/1996/022416 |
A method for exhaust dyeing a polyester or polyester blend textile article with a disperse dye is provided whereby the article is first treated with an aliphatic amine to reduce the tensile strength of the polyester fibers, followed by d...
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WO/1996/022076 |
The object of the invention is the use of diketo compounds of formula (I) in which the radicals R1 and R2 are C1-C4-alkyl groups or aryl groups, the radicals R3 to R6 are hydrogens or C1-C4-alkyl groups, or one of the radicals R3 and R4 ...
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WO/1996/022077 |
The object of the invention is the use of aryl ketones of the formula (I) and for their ketals for colouring Keratin-containing fibres, especially human hair. In formula (I) R1 is a C1-C4-alkyl group or an aryl group and R1 may also be a...
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WO/1996/021767 |
The invention relates to a process for dyeing and finishing cellulosic textile fibre material in one step, which comprises applying to said textile fibre material a liquor comprising: (A) at least one dye, (B) a crosslinking agent, (C) a...
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WO/1996/019740 |
A method of determining dyeing conditions, i.e., a concentration of each dye in a dyeing path of a mixed system of three colors and a dyeing time. The dyeing condition is determined from the relation among the minute deviation in color o...
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WO/1996/018767 |
A single bath process for exhaust dyeing polyester and cotton fiber blends by the use of a fiber reactive, vinyl sulfone dye in admixture with a disperse dye under alkaline pH conditions.
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WO/1996/015766 |
Oxidation dyes that contain as coupler element 2-chloro-6-methyl-3-aminophenol or its salt with an organic or inorganic acid and as developer component 2-R-4-aminophenols or 3-R-4-aminophenols or their salts with an organic or inorganic ...
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WO/1996/015765 |
Oxidation dyes that contain a developer-coupler combination of 2-(2,5-diaminophenyl)-ethanol or its salt with an organic or inorganic acid and 2-chloro-6-methyl-3-aminophenol or its salt with an organic or inorganic acid are characterize...
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WO/1996/016129 |
Disclosed are dye mixtures containing a) an azo dye of formula (I) in which Hal is chlorine or bromine, b) the azo dye of formula (II) wherein L is allyl or optionally hydrogen, c) an azo dye of formula (III) and/or (IV) wherein the spec...
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WO/1996/015195 |
The invention concerns pyridone dyes of the formula (I) in which X is nitrogen or CH, R1 is a five-membered or six-membered carbocyclic or heterocyclic group, R2 is cyano, carbamoyl, C1-C6 alkoxycarboyl or C1-C4 alkanoyl and R3 is option...
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WO/1996/009807 |
The invention concerns the use of 2-hydroxy-1-ethanone derivatives for dyeing keratin-containing fibres, in particular human hair.
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WO/1996/009291 |
Oxidation dyes contain as coupler components certain 8-hydroxyquinoline derivatives together with usual developer components.
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WO/1996/008378 |
A process is disclosed for transfer printing thermoplastic materials with thermal diffusion inks. An image is transferred in a heatable press from a paper substrate coloured with thermal diffusion inks onto an intermittently moved, fibre...
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WO/1996/005799 |
At least tetrasubstituted benzene derivatives, in which at least one of the groups located at the benzene nucleus is an aminomethyl group, are used for dyeing keratin fibres, in particular human hair. In particular, oxidation and direct-...
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WO/1996/005800 |
Oxidation hair dyes contain aminomethylated dihydroxybenzenes as coupler components together with usual developer components.
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WO/1996/004420 |
A method is provided for dyeing a non-cellulosic organic material with a dye, preferably a vat dye, comprising (a) treating the material with a dye in the presence of a reducing agent and an alkali and (b) oxidising the treated material ...
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WO/1996/003543 |
The invention concerns a method of optically brightening synthetic polyamides in textile form by means of optical brighteners which are free from ionic groups, in the presence of one or a plurality of blue or violet toning dyes.
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WO/1996/001338 |
The invention concerns an improved method of producing coloured natural or synthetic substrates by means of the following steps: (a) the substrate is contacted with a reactive coupling compound, (b) the coupling compound is fixed on the ...
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WO/1995/034273 |
The invention concerns direct-acting hair colouring agents which contain a cationic polymer, a given 'alpha'-hydroxy acid and an ether-carboxylic acid.
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WO/1995/034605 |
Disclosed are processes for tinting hydrogel materials, such as contact lenses, by dissolving a leuco sulfate ester of a vat dye in a compatible monomer solution, adding an oxidizing initiator to the monomer solution, and oxidizing and p...
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WO/1995/034272 |
The invention concerns oxidation hair colouring agents in gel form which contain paratoluylenediamine in the free base form as the developer component. They contain as anti-oxidation agents thioglycolic acid, thiolactic acid, 3-mercaptos...
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WO/1995/033882 |
Compositions of ethylene/alkyl acrylate blended or grafted with polypropylene are dyeable with disperse or cationic dyes. Compositions of polyolefin, a small amount of polyester and polar material selected from ethylene/alkyl acrylate, m...
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WO/1995/032249 |
The invention is a dye composition containing two or more dyes of the vinyl sulfone type which can be used in combination to dye polyamide substrates. Preferably the dye compositions of the invention contain at least three dyes of differ...
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WO/1995/031959 |
The object of the invention is the use of 2-oxyacetic acid derivatives for colouring keratin-containing fibres, especially human hair, and colorants containing said compounds, especially in combination with amines, amino acids and phenols.
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WO/1995/032246 |
A dye comprising molecules which contain a nucleophilic group and an electrophilic group characterised in that (i) the molecules are capable of joining together by formation of a covalent bond between the nucleophilic group of one molecu...
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WO/1995/031506 |
Dyes of formula (I), in which R1 is an alkyl or cycloalkyl group preferably having 1 to 6 and more preferably having 2 to 6 carbon atoms which is preferably in the 4(para) position relative to the diazo group; R2 is a lower alkyl group p...
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