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| Number | Title | Issue Date |
| 7914592 | Method for manufacturing cotton towels The present invention relates to the production of textiles and more particularly pertains to a method for manufacturing cotton towels comprising the steps of: combining a yarn of 120S combed long staple cotton and a yarn of 10S combed long staple cotton by means of... | 03/29/2011 |
| 7414129 | Reactive triphendioxazine dyes, methods for the production thereof, and use thereof The present invention relates to triphendioxazine dye of the general formula I where A1 and A2, B, R1 and M are each as defined in the claims and ... | 08/19/2008 |
| 7220843 | Methanesulfonamide azo dyes This invention relates to monoazo, disazo and trisazo colorants of the formula (I) where M represents two hydrogen atoms or one metal ion selected from the group consisting of Cu, Co, Ni, Mn, Zn and ... | 05/22/2007 |
| 7101407 | Sulfur dye protection systems and compositions and methods employing same The present invention relates to sulfur dye protection systems and compositions and methods employing same, as well as processes for making sulfur dyes, especially bleach stable sulfur dyes, processes for dying textiles with sulfur dyes and textiles dyed by such pro... | 09/05/2006 |
| 7056348 | 5-aryl-1,3,3-trimethyl-2-methylene-indoline derivatives and salts thereof, methods for the production and use of said compounds for the temporary coloration of fibers A method for the synthesis of 5-aryl-1,3,3,-trimethyl-2-methylene-indoline derivatives of Formula (I) or its salts of Formula (Ia) wherein 1 mole of a 5-aryl-2,3,3-trimethyl-3H-indole derivative of Formula (VII) ... | 06/06/2006 |
| 7052521 | Dye composition and the use thereof A dye composition, which comprising: a monoazo dye of the formula and a disazo dye of the formula (II) wherein R, R1, R2, R3... | 05/30/2006 |
| 7048771 | Dyeing textiles using nanoparticles The present invention employs the use of nanotechnology to textile coloration. The textiles so produced have good fastness and greatly reduce environmental concerns. The present invention provides nanoparticle processed textiles, formulations and methods for produci... | 05/23/2006 |
| 7029503 | Disazo compound, reactive dye composition, and method of dyeing cellulose or cellulose-containing fibers The present invention provides a disazo compound which in a free acid form is represented by the formula (1) and which has high ability to dye cellulosic fibers and attains efficient dyeing with satisfactory reproducibility; and a method of dyeing cellulosic fibers ... | 04/18/2006 |
| 6933371 | Bisazo dyestuffs based on hydroxynaphthalene carboxylic acid Disclosed are bisazo compounds of the formula Ia or Ib where R1 is hydrogen or methyl, the X groups are independently —CH2CH2 | 08/23/2005 |
| 6929667 | Method for the fluorescent whitening of cotton A method for the fluorescent whitening of cotton in a discontinuous process comprising contacting the cotton, I an aqueous bath having a pH value of 6 or less, with one or more compounds of the Formula (I) wherein R1 represents an —SO2R3... | 08/16/2005 |
| 6869453 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety; (b) at least one nitrogen-containing heterocycle; (c) a linking group to link each chromophore moiety to each nitrogen-containing heterocycle; characterised in that at least one nitrogen-contai... | 03/22/2005 |
| 6846334 | Sulfur dye protection systems and compositions and methods employing same The present invention relates to sulfur dye protection systems and compositions and methods employing same, as well as processes for making sulfur dyes, especially bleach stable sulfur dyes, processes for dying textiles with sulfur dyes and textiles dyed by such pro... | 01/25/2005 |
| 6814763 | Mediator systems based on mixed metal complexes, used for reducing dyes Mediator systems obtainable by mixing one or more salts of a metal capable of forming a plurality of valence states with at least one amino-containing complexing agent (K1) and at least one hydroxyl-containing but amino-devoid complexing agent (K2) in an alkaline aq... | 11/09/2004 |
| 6790241 | Mediator systems based on mixed metal complexes, used for reducing dyes Mediator systems obtainable by mixing a salt of an electrochemically active complexing metal (M1) capable of forming a plurality of valence states with a hydroxyl-containing complexing agent, which may likewise be present as salt, and with a salt of an electrochemic... | 09/14/2004 |
| 6736864 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety; (b) at least one SO2C2H4 group which is attached to the chromphore moiety either directly via the sulphur atom of the SO2C2H4 group or via a linking group L; characterized in that at least one ... | 05/18/2004 |
| 6712863 | Black dye mixtures of fiber-reactive azo dyes, methods for their preparation and use thereof for dyeing hydroxy-and/or carboxamido-containing fiber material A dye mixture comprising a disazo dye conforming to the general formula (1), and one or more monoazo dyes conforming to the general formula and a dye of the general formula (... | 03/30/2004 |
| 6663677 | Methods for use in wool whitening and garment washing Improved methods for wool whitening and garment washing are provided. More particularly, methods of the present invention employ a first reducing agent, preferably a borohydride material, and a second reducing agent, preferably a bisulfite material, to in... | 12/16/2003 |
| 6652601 | Agent for dyeing fibers comprising an indoline/indolium derivative The object of the present invention is an agent for dyeing fibers obtained by mixing two components and characterized in that one component (component A2) contains at least one carbonyl compound and the other component (component A1) contains at least one... | 11/25/2003 |
| 6630005 | Mixtures of reactive dyes and their use Dye mixtures, which comprise at least one dye of formula (1) together with at least one dye of formula (2), wherein R1, R2, R4 and R5 are each independently of one another hydrogen or unsubstituted or substitute... | 10/07/2003 |
| 6623534 | Black dye mixtures of fiber-reactive azo dyes, methods for their preparation and use thereof for dyeing hydroxy-and/or carboxamido-containing fiber material Deep black-dyeing dye mixtures comprising a disazo dye conforming to the general formula (1), ##STR1## and one or more disazo dyes conforming to the general formula (2), ##STR2## wherein the amide group is in the 6, 7, or 8 position relative to th... | 09/23/2003 |
| 6623533 | Method for printing cellulosic fiber materials without an additional fixing process step A method of printing cellulosic fiber materials in which the fiber material is brought into contact with reactive dyes of formula: ##STR1## wherein A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or d... | 09/23/2003 |
| 6620211 | Method for dyeing textile materials in a supercritical fluid In a method for dyeing textile material with one or more fiber-reactive disperse dyestuffs in a supercritical or almost critical fluid, such as CO2, which textile material is selected from the group consisting of silk, wool and cellulose, combi... | 09/16/2003 |
| 6592634 | Reactive dyes, processes for their preparation and their use Reactive dyes of the formula (1) ##STR1## in which R1, R2, R3 and R4 independently of one another are hydrogen or substituted or unsubstituted C1 -C4 alkyl, (R5)0-2 and (R | 07/15/2003 |
| 6562115 | Azo dyes and their preparation and use Monoazo dyes of formulas (III) ##STR1## wherein R1, R2, R3, D1 and M are as defined in the specification, are excellent dyes for dyeing and printing of cellulose containing materials and especially for the prepa... | 05/13/2003 |
| 6551364 | Dye mixtures, 1:2 cobalt complex formazan dyes and their use Dye mixtures which comprise at least one 1:2 cobalt complex dye of the formazan compound of the formula ##STR1## in which X is substituted or unsubstituted C1 -C8 alkyl, phenyl, naphthyl, furyl or thienyl, R1 and R2 | 04/22/2003 |
| 6547835 | Flame and shrinkage resistant fabric blends and method for making same Fabric blends of inherently flame resistant fibers and flame resistant cellulosic fibers that contain a flame retardant. According to the method of production of these blends, the inherently flame resistant fibers can be dyed a full shade of color without... | 04/15/2003 |
| 6537332 | Reactive colorants, mixtures of reactive colorants and production and use thereof Dyes of formula (1) ##STR1## wherein R1 and R2 are each independently of the other hydrogen or C1 -C4 alkyl, and D1 and D2 are each independently of the other a radical of formula (2) ... | 03/25/2003 |
| 6530961 | Alkaline aqueous solutions and use thereof in processes for dyeing cellulosic textile materials Described are aqueous solutions comprising sodium hydroxide and potassium carbonate in a molar ratio of 1:1.7 to 1:0.5, which are useful for preparing alkaline dyeing liquors, especially padding liquors, of fiber-reactive dyes for producing dyeings on cel... | 03/11/2003 |
| 6521000 | Process for forming scrubbed stretch denim fabric A woven fabric formed of dyed blended cotton/polyester warp yarns and polyester stretch fill yarns is finished by passing the fabric through a brusher and singer and then through a finishing pad box to apply the finish. Immediately after application of th... | 02/18/2003 |
| 6464734 | Deep black dye mixtures of fiber-reactive azo dyes The present invention claims a dye mixture comprising at least one dyestuff of the general formula (1) ##STR1## and at least one dyestuff of the general formula (2) ##STR2## where M, Y1, Y2, Y3, R1, R2 | 10/15/2002 |
| 6451072 | Reactive dyes, process for their preparation and their use Reactive dyes of formula (1) ##STR1## wherein A is phenyl or naphthyl, each of which is unsubstituted or substituted by halogen, C1 -C4 alkyl, C1 -C4 alkoxy, carboxy, sulfo or a fiber-reactive group of formula (... | 09/17/2002 |
| 6443997 | Reactive black dye compositions for cellulose fibers The present invention relates to a reactive black dye composition for cellulose fiber and more particularly, to the reactive black dye composition with excellent several fastnesses, dyeing levelness, reproducibility and dyeing yield, comprising a mixture ... | 09/03/2002 |
| 6398822 | Packaged hair coloring composition Packaged hair coloring composition comprising a stable aqueous hair coloring composition comprising a compound of formula (I): ##STR1## wherein the variables are each as defined in the claims. The packaged hair coloring compositions of the present inventi... | 06/04/2002 |
| 6392021 | Reactive dyes, processes for their preparation and their use Reactive dyes of formula (1) ##STR1## wherein b is the number 1 or 2, A is the radical of formula (2) or (3) ##STR2## D1, D2, R1, R2, X1, Y, l, m and n are as defined in the specification, are especia... | 05/21/2002 |
| 6368362 | Reactive dye mixtures for low-salt dyeing The present invention relates to mixtures of reactive dyes comprising at least two dyes selected from the group consisting of the general formulae (1), (2) and (3) ##STR1## where D1, D2, D3, R1, R2, H... | 04/09/2002 |
| 6365719 | Bridged disazo compounds Compounds of formula (I) ##STR1## with the meanings of D, R1, R2, X and Y as given in claim 1 can be used as paper dyes or direct dyes or for the preparation of ink-jet inks.... | 04/02/2002 |
| 6358287 | Mixtures of fiber-reactive dyes, preparation thereof and use thereof for dyeing fiber materials Mixtures of fiber-reactive dyes, preparation thereof and use thereof for dyeing fiber materials The present invention relates to dye mixtures comprising one or more dyes of the general formula (I) ##STR1## and one or more dyes of the general formula (II) ... | 03/19/2002 |
| 6350862 | Reactive dye compounds Reactive Dye compound having formula (I) wherein: D is a chromophore group; L is a linking moiety; Q is a quaternized nitrogen derivative; X and Y are independently selected from chlorine, bromine, fluorine or hydrogen; A is selected from halogen, prefera... | 02/26/2002 |
| 6323327 | Reactive dyes, processes for their preparation and their use Reactive dyes of formula (1) ##STR1## wherein b is the number 1 or 2, A is the radical of formula (2) or (3) ##STR2## D1 is a radical off formula ##STR3## or the radical of an azo dye when b is the number 1 or the radical of an aromatic t... | 11/27/2001 |
| 6319289 | Organic compounds Compounds of formula (I) ##STR1## wherein A is hydrogen or a descretionary radical, a novel process for their preparation and their use for the dyeing of organic substrates.... | 11/20/2001 |