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Class 8/680 - Dye containing -(o=)s(=o)-o-, -o(o=)s(=o)-o- or phosphorus oxide group


Subclass of Class 8 - Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
Definition: Subject matter wherein a dye contains a -SO3-, -SO4- or
No. of patents: 199
Last issue date: 01/02/2007


1          
NumberTitleIssue Date
7156907Multimeric 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. Specifically, a multimeric dye for ink-jet printing can comprise a fir...
01/02/2007
7097669Colorant 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 solid or semi-solid products such as detergents. Disclosed herein are...
08/29/2006
6860906Process 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 compound containing salts and/or impurities to a pH of 4.5 or less, if the p...
03/01/2005
6846336Acid-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 sulfonic acids, and glycol ether solvents, to the preparation thereof, a...
01/25/2005
6797016Dye 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 one formulation additive (F), in which x is a number in ...
09/28/2004
6712862Granular 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 additives, additionally containing (E) a d...
03/30/2004
6653454Formazane 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 cellulosic high molecular material to provide the blue dyed...
11/25/2003
6605126Low-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 colorant formulation as compared with the viscosity of the col...
08/12/2003
6533824Method 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 of the spot at any given moment during the process, and t...
03/18/2003
6530962Emulsion 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 balls. The dye composition adapted for use in an impact-ruptur...
03/11/2003
6511535Method 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 one acid dye according to claim 1 and that has a viscosity...
01/28/2003
6497731Dyed 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 achieved according to the present invention by modifying con...
12/24/2002
6241786Process for preparing dyes and/or brightener formulations
This invention relates to a process for preparing formulations comprising dyes and/or brighteners which possess at least one free SO3 H and/or COOH group, in which an aqueous suspension comprising a) dyes and/or brighteners which possess at least on...
06/05/2001
6221114Colorant 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 phthalocyanines, of the quinacridones, of the mono-, dis- or po...
04/24/2001
6200355Methods 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 dyestuff and an acid donor at a pH of greater than about 6.0 and...
03/13/2001
6191265Thermomigrationfast 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....
02/20/2001
6120562Triazine derivatives as fixers in coloring and as cross-linking agents
Amino- and/or alkoxytriazines containing at least one C1 -C10 -alkyl group which possesses a vinylsulfonyl group or a radical capable of forming a vinylsulfonyl group and may be substituted further, are used as fixation aids when usi...
09/19/2000
5961669Acid 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 dye bath is initially at a level that substantially inhibits...
10/05/1999
5944854Process 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 optionally already amidated on one side, to give the leuco ...
08/31/1999
5922085Preparation 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 methylenedianiline, aniline, an oxidation catalyst, and an oxidant; sep...
07/13/1999
5912409Stain resistance of nylon carpet
Stain-resistant, lightfast nylon carpet is prepared by dyeing cationic-dyeable nylon fibers by applying a print paste containing an acid dye or a premetallized acid dye at a pH of from about 2.0 to about 6-5 and fixing the dye to the fibers, forming the p...
06/15/1999
5910623Mixtures 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 and wood and also for dyeing and finishing leather and fu...
06/08/1999
5885307Dyeing 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 chambray appearance is given....
03/23/1999
5851238Photochemically 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 water, a carboxylic acid chain regulator and a hindered pipe...
12/22/1998
5846265Closed-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 parameters of the dyeing bath. The process includes immersi...
12/08/1998
5830241Fluorescent 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 magnesium; b) 10 to 85% by weight of polyethylene glycol h...
11/03/1998
5814107Photochemically 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 water, a carboxylic acid chain regulator and a hindered pipe...
09/29/1998
5710258Azo 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 give dyeings of prints having good allround fastness p...
01/20/1998
5662716Process 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 contain cationically dyeable sulfonate groups along the polymer ...
09/02/1997
5626632Process 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 below, and the dyed polyamide fiber resulting therefrom. Th...
05/06/1997
5571290Stain resistance of nylon carpet
Stain-resistant nylon, especially cationic-dyeable carpet nylon, is prepared by dyeing and/or printing cationic-dyeable nylon fibers with acid or premetallized dye. Lightfastness and depth of shade of an apparent value equal to acid dyeable nylons is obta...
11/05/1996
5565007Amination 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 spinning fibers by the viscose spinning process, wherein the...
10/15/1996
5536277Reactive 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 --SO2 CH2 CH2 Z in which Z is a group ...
07/16/1996
5474580Chemical 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 comprising molecules which contain a nucleophilic group and an electr...
12/12/1995
5466527Stain resistance of nylon carpet
Stain-resistant nylon, especially cationic-dyeable carpet nylon, is prepared by dyeing cationic-dyeable nylon fibers with acid or premetallized dye. Lightfastness and depth of shade of an apparent value equal to acid dyeable nylons is obtained with superi...
11/14/1995
5466265Lithium-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 the presence of a lithium compound....
11/14/1995
5460630Process 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 one compound of the formula R--O--CH2 --CH(OH)--...
10/24/1995
5456726Reactive 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 R1, R2, R3, Z1, m, Y1, Z1, Q1 and Q2
10/10/1995
5427589Method 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 assistant in the dyebath. The dye assistant comprises a salt...
06/27/1995
5417724Method 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 agent. Colorfastness of acid and premetallized acid dyed n...
05/23/1995
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