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7507263 |
Fibre-reactive anthraquinone dyes, process for their preparation and the use thereof
Anthraquinone dyes of formula
wherein
R 1 , R 2 and R 3 are each independently of one another hydrogen or unsubstituted or substituted C 1 -C 12 alkyl, X 1 is chloro or fluoro, B 1 is...
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7156907 |
Multimeric dye structures
The present invention is drawn to multimeric dyes, ink-jet inks, and systems that can be used to print images having good water fastness and humid fastness, as well as good color characteristics....
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7097669 |
Colorant compositions
Colorant compositions are useful for a wide variety of product applications. For example, colorants are used in tinting of polymers, providing colors to aqueous solution(s), and affording color to...
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6860906 |
Process for preparing solutions of anionic organic compounds
Described is a process for preparing concentrated solutions or suspensions of anionic organic compounds which comprises a) acidifying an aqueous solution or suspension of an anionic organic...
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6846336 |
Acid-resistant solutions containing aromatic formaldehyde condensation products
The present invention relates to acid-resistant solutions containing aromatic formaldehyde condensation products having sulfonate and/or carboxylate groups, aliphatic carboxylic acids, aromatic...
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6797016 |
Dye composition, their production and their use
Concentrated dye compositions (P) which are solutions of y % by weight of at least one anionic dye (A) in a solution of x % by weight of benzyl alcohol (B) in water, and z % by weight of at least...
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6712862 |
Granular compacts, their production and use
Granular compacts (G) of a mixture of (A) at least one water-soluble dye or optical brightener, and (B) extender and, optionally, (C) at least one hydrophilic surfactant and/or (D) further...
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6653454 |
Formazane compounds and method of dyeing using the same
The present invention relates to a novel blue dye compound represented by Formula (1) as shown below, which can be synthesized without a dianisidine compound used for a raw material and can dye a...
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6605126 |
Low-viscosity polymeric colorants exhibiting high color strength characteristics
New and useful low viscosity polymeric colorant formulations are provided comprising extremely low amounts of viscosity modifiers that drastically reduce the overall viscosity of the resultant...
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6533824 |
Method for restoring original color to bleached regions of nylon carpets
A new method for spot dying nylon carpet requires no color theory nor use of a color wheel. The new method is distinguished from prior art methods primarily by the fact that the focus in on the hue...
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6530962 |
Emulsion of water soluble dyes in a lipophilic carrier
The invention herein provides for an improved dye composition for encapsulation in casing structures adapted for projectile motion and rupture upon contact with a target surface, such as paint...
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6511535 |
Method for printing fibrous textile materials using the ink jet technique
The invention relates to a method for printing fibrous textile materials using the ink-jet printing technique, wherein the fibrous materials are printed with an aqueous ink that comprises at least...
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6497731 |
Dyed polyamide-6 articles having improved wetfastness properties and methods of making same
Polyamide-6 articles exhibit dramatically improved dye bleed and perspiration performance characteristics, as well as reduced color change of fluorescent dyed polyamide-6. These improvements are...
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6221114 |
Colorant salts and their use in dyeing polymeric material
Dye salts which are free from fiber-reactive radicals and have the formula ##STR1## where Chr is an (m+n)-valent radical of a chromophore from the series of the metal-free or metal-containing...
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6200355 |
Methods for deep shade dyeing of textile articles containing melamine fibers
Methods for the deep shade dyeing of melamine fiber-containing textile articles include bringing an undyed melamine fiber-containing textile article into contact with a dye bath containing a...
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6191265 |
Thermomigrationfast azo dyes
Azo dyes of the formula ##STR1## wherein the substituents are each as defined in the description, are useful for dyeing and printing synthetic textile materials.
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6120562 |
Triazine derivatives as fixers in coloring and as cross-linking agents
Amino- and/or alkoxytriazines containing at least one C 1 -C 10 -alkyl group which possesses a vinylsulfonyl group or a radical capable of forming a vinylsulfonyl group and may be substituted...
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5961669 |
Acid donor process for dyeing polyamide fibers and textiles
A process for dying materials containing natural or synthetic polyamides is disclosed. The process includes immersing the materials to be dyed in a dye bath containing an acid dye. The pH of the...
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5944854 |
Process for the preparation of triphendioxazine dyestuffs amidated on both sides, and novel triphendioxazine dyestuffs
According to the invention, a process for the preparation of triphendioxazines systemetrically or asymmetrically amidated on both sides comprises reducing a triphendioxazine chromophore, which is...
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5922085 |
Preparation of a dye for coloring protein-based fibers and cellulose-based materials from the oxidation products of the manufacture of a triphenylmethane dye
A process of preparing a dye composition and a resultant dye composition. The process includes preparing a mixture comprising a triphenylmethane dye and oxidation products by reacting...
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5910623 |
Mixtures of sulfo-containing 1:2 metal complexes with vinyl polymers
Liquid or solid mixtures of low-salt sulfo-containing 1:2 metal complex dyes and poly-N-vinylpyrrolidone or copolymers of N-vinylpyrrolidone and vinyl acetate are especially useful for dyeing paper...
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5885307 |
Dyeing articles composed of melamine fiber and cellulose fiber
Melamine fibers and cellulose fiber combinations are dyed with certain dyes such that the cellulose fiber is dyed by the dyes but the melamine fiber is substantially undyed. When in fabric form, a...
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5851238 |
Photochemically stabilized polyamide compositions
A process for preparing photochemically stable dyed nylon compositions includes providing to a dyebath a shaped article of poly(epsilon-caprolactam) hydrolytically polymerized in the presence of...
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5846265 |
Closed-loop textile dyeing process utilizing real-time metered dosing of dyes and chemicals
A process for the dyeing of a fibrous article utilizing closed-loop metered dosing of one or more dyes and one or more chemicals that are adjusted in real time as a function of selected monitored...
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5830241 |
Fluorescent whitening agent formulation
There is described a liquid preparation comprising: a) 10 to 40 % by weight of the fluorescent whitening agent having the formula: ##STR1## wherein M is hydrogen, an alkali metal, ammonium or...
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5710258 |
Azo dyes
The invention relates to compounds of formula ##STR1## The compounds of formula (1) are suitable as dye for dyeing or printing hydroxyl group-containing or nitrogen-containing fibre materials and...
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5662716 |
Process for increasing stain-resistance of cationic-dyeable modified polyamide fibers
This invention relates to an improved process for dyeing cationic-dyeable polyamide fibers, especially carpet fibers, with an acid dye to provide stain-resistant fibers. The polyamide fibers...
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5626632 |
Process for dyeing cationic dyeable polyamide fiber
A continuous dyeing, space dyeing or printing process for dyeing cationic dyeable polyamide fibers comprising the steps of applying a premetalized acid or acid dye to the fiber at a pH of 2.5 and...
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5565007 |
Amination of rayon
Modified rayon is produced by adding a modifier to a cellulose solution and spinning fibers from the solution, or by adding a modifier to an alkali cellulose solution or material, xanthating and...
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5536277 |
Reactive dye composition and a method for dyeing or printing of fiber materials using the same
A reactive dye composition which contains a dye mixture comprising; at least one reactive dye selected from dyes represented by the following formula (I): ##STR1## in which Q is --SO 2 CH 2 CH 2 ...
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5474580 |
Chemical compounds
A process for the coloration of a substrate, especially a textile, comprising the steps of: (a) applying to the substrate a mixture comprising an aqueous solvent and a water-soluble dye...
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5466265 |
Lithium-containing assistants for dyeing and printing of cellulosic and/or regenerated cellulosic materials
Improved dyeings or prints on cellulose, regenerated cellulose and/or mixtures of cellulose with natural or synthetic fiber materials using one or more reactive and/or direct dyes are obtained in...
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5460630 |
Process for dyeing fibrous materials made of or containing wool
Described is a process for dyeing fibrous materials made of or containing wool with anionic dyes, which comprises dyeing these materials in the presence of a wool preservative comprising at least...
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5456726 |
Reactive dye composition and method for dyeing or printing cellulose fiber material using the same
A reactive dye composition containing at least one dioxazine compound of the formula (I) in the free acid form: ##STR1## wherein R 1 , R 2 , R 3 , Z 1 , m, Y 1 , Z 1 , Q 1 and Q 2 are as defined...
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5427589 |
Method for dyeing fibrous materials
A method for dyeing fibrous material is provided. The method includes contacting a fibrous material with a dyebath comprising a mixture of a dye assistant and a dye soluble or dispersed with dye...
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5417724 |
Method of treating acid dyed nylon fibers to enhance colorfastness
The cold water bleed propensity of acid and premetallized acid dyed cationic dyeable nylon fibers is substantially reduced by treating the fibers with both a nylon fixing agent and a cotton fixing...
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5401277 |
Reactive dyestuffs
Reactive dyestuffs of the formula ##STR1## in which X is ##STR2## and Z is a heterocyclic reactive group and the remaining groups have the meaning given in the description, are highly suitable for...
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5399182 |
Reactive dyestuff red mixture
Improved reactive dyestuff red mixtures comprise in each case at least one component of the formula 1 ##STR1## and one component of the formula 2 ##STR2## wherein the substituents have the meaning...
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5366511 |
Wool dyeing utilizing controlled dye addition
A process for the dyeing of a fibrous article containing wool with an anionic dye and products processed thereby. The process includes immersing the article in a dyeing bath of a liquid solvent for...
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5364417 |
Method of dyeing nylon fiber with acid dye: sullfamic acid
A process for dyeing nylon with acid or premetallized acid dyes is provided wherein the dye bath is brought to a temperature of 160°-230° F. and a pH of 5.5-4.0, followed by the gradual addition...
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5354342 |
Stain resistant multicolor textured cut pile carpet
Stain-resistant, multicolored cationic dyeable carpet fibers are space dyed with an acid dye or premetalized acid dye, heatset, then tufted together with undyed cationic dyeable nylon fibers into a...
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5350426 |
Chlorine resistant cationic dyeable carpet yarn
Nylon fibers of cationic-dyeable nylon are dyed with an acid or premetalized acid dye and heatset to impart stain and bleach resistance. Stain and bleach resistant nylon carpets prepared from these...
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5342417 |
Method of treating cationic dyeable nylon fibers to inhibit cold water bleed
A method for reducing the cold water bleed propensity of acid and premetallized acid dyed cationic dyeable nylon fibers which comprises treating such fibers with sulfonated anionic polymers, useful...
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5320647 |
Fluent polyazo dye preparations and method of dying leather or wool therewith
Fluent dye preparations useful for dyeing leather or wool contain a) at least 15% of the weight of the dye preparation of one or more polyazo dyes in salt form which have one or more...
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5250079 |
Process for the treatment of polyamide or leather substrates with sulpho group-containing aromatic compounds, compositions containing such compounds and their production
A process for the treatment of fibrous material from aqueous medium in the presence of an application assistant (P) comprising components (a) and (b), in particular for nitrogen-containing...
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5240466 |
Dyeing leather with water-insoluble sulphur dyes
The present invention relates to a process for dyeing leather by the exhaust method, characterized in that water-insoluble sulphur dyes in dispersed form are used.
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5230709 |
Polyamide dyeing process utilizing controlled anionic dye addition
A process for the dyeing of a fibrous article containing fibers of a polyamide polymer with an anionic dye and dyed products made by the process. The process includes immersing the article in a...
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5207800 |
Low toxicity, biodegradable salt substitute for dyeing textiles: magnesium acetate in direct or reactive dyeing of cotton
Low toxicity, biodegradable salt substitutes for use in dyeing of cotton and cotton blended fabrics. The salt substitutes are solubilized alkaline earth metal-organic complex compositions suitable...
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5196033 |
BIS-azotriazinyl reactive dyes having an N-alkyl-phenylenediamine link for cellulose textiles
A water-soluble reactive dye of the formula: D 1 --Z 1 --NR 1 --T--NR 2 --Z 2 --D 2 (1) wherein each of D 1 and D 2 , independently, represents the radical of a water-soluble...
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5196031 |
Exhaust dyeing process for mixed fibre substrate in single bath: disperse dye, copper complex dye, complexing agent and oxidizing agent
A process for dyeing a mixed fibrous substrate comprising applying to the substrate, a) at least one disperse dye, b) at least one copper - containing direct or reactive dye, preferably in a...
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