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| Number | Title | Issue Date |
| 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 |
| 6805718 | Enzymatic method for textile dyeing The present invention relates to methods of dyeing a material which involve contacting the material with a dyeing system which comprises: (a) a mixture of (i) an aromatic diamine and (ii) one or more of a naphthol and an aminonaphthalene and (b) an oxidation system ... | 10/19/2004 |
| 6685749 | Fabrics with surfaces of contrasting colors and/or different contour Fabrics, formed, for example, by joining stitch and loop yarns to form a fabric prebody, with the loop yarn forming in loops that overlay the stitch yarn at the technical face and back of the fabric prebody, and thereafter finishing the fabric prebody to ... | 02/03/2004 |
| 6676710 | Process for treating textile substrates A process for treating a textile substrate, the process including the steps of providing a textile substrate; providing a treatment bath; entraining a transport material in the treatment bath wherein the transport material further comprises a treatment ma... | 01/13/2004 |
| 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 |
| 6296672 | Enzymatic method for textile dyeing The present invention relates to methods of dyeing a material which involve contacting the material with a dyeing system which comprises: (a) a mixture of (i) an aromatic diamine and (ii) one or more of a naphthol and an aminonaphthalene and (b) an oxidat... | 10/02/2001 |
| 6203578 | Use of silicon compounds to dye human keratin fibers; novel compounds and compositions containing them The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel sil... | 03/20/2001 |
| 6176885 | Use of silicon compounds to dye human keratin fibres; novel compounds and compositions containing them The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibers and in particular the hair. The invention also relates to novel sil... | 01/23/2001 |
| 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... | 06/20/2000 |
| 6036729 | Enzymatic method for textile dyeing The present invention relates to methods of dyeing a material, comprising (a) soaking the material in an aqueous solution which comprises one or more mono-, di- or polycyclic aromatic or heteroaromatic compounds; and (b) treating the soaked material in an... | 03/14/2000 |
| 6027537 | Use of silicon compounds to dye human keratin fibres; novel compounds and compositions containing them The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel sil... | 02/22/2000 |
| 5972042 | Method for dyeing a material with a dyeing system which contains an enzymatic oxidizing agent Methods of dyeing a material, comprising treating the material with a dyeing system which comprises (a) one or more mono-, di- or polycyclic aromatic or heteroaromatic compounds, and (b) (i) a hydrogen peroxide source and an enzyme exhibiting peroxidase a... | 10/26/1999 |
| 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 methylenedianiline, aniline, an oxidation catalyst, and an oxidant; sep... | 07/13/1999 |
| 5676707 | Leather coloring process comprising jetting ink onto a treated leather Provided is a leather treatment process for leather coloring, carried out on a leather to be colored with a liquid ink, the process comprises the steps of, imparting to the coloring surface of the leather a resin soluble in the liquid ink and imparting to... | 10/14/1997 |
| 5496707 | Assay method for hemicellulases using a colored substrate The present invention provides an assay method for hemicellulases comprising a) directly dyeing, using a reactive dye, an insoluble natural product, or a modified form of a natural fibre material; and b) adding the enzyme to the dyed product produced in s... | 03/05/1996 |
| 5493036 | Fibre-reactive anthraquinone dyes, their preparation and the use thereof The invention relates to fibre-reactive anthraquinone dyes of formula ##STR1## wherein R1, R2, B, U, R and n are as defined in claim 1. The anthraquinone dyes of formula (1) are suitable for dyeing or printing hydroxyl group con... | 02/20/1996 |
| 5356439 | Non-oxidative permanent dye formulation for hair and synthetic fibers By intermixing a gelling agent, water, a mercaptan-based reducing agent, and a certified dye designated as an F,D&C dye and/or a D&C dye, a highly effective, easily employed permanent dye/gel composition is obtained which imparts a desired color into both... | 10/18/1994 |
| 5298032 | Process for dyeing cellulosic textile material with disperse dyes Cellulosic textile materials can be dyed with disperse dyes from supercritical CO2 by treating the textile materials with an auxiliary that promotes dye uptake, typically polyethylene glycol.... | 03/29/1994 |
| 5152801 | Process for dyeing leather with an aqueous bath containing sulfonated carbon black and black anionic dye There is disclosed a process for dyeing leather by the exhaust process, which comprises treating leather with an aqueous liquor which contains a formulation comprising a black anionic dye and a sulfonated carbon black. The leather dyeings obtained by this... | 10/06/1992 |
| 5126450 | Unsymmetrical triphenodioxazine dyes Unsymmetrical triphendioxazine (TPD) reactive dyes of Formula (1) for the colouration of e.g. wool, silk, leather and cotton are claimed as well as intermediates for their manufacture. ##STR1## wherein W1 and W2 are different an... | 06/30/1992 |
| 5007941 | Process for dyeing leather: aqueous bath containing mixture of carbon black and acid dye, direct dye or metal complex dye There is disclosed a process for dyeing leather by the exhaust process, which comprises treating leather with an aqueous liquor which contains a formulation comprising an anionic dye and a pigment. The leather dyeings obtained by this process have good al... | 04/16/1991 |
| 4892556 | Process for transfer printing on leather substrates impregnated with aminoplast pre-condensate In a process for printing on leather substrates using the transfer printing method by surface treatment of the substrate, applying an auxiliary carrier which is printed on with sublimable dyes and transferring the dyes to the substrate by dry heat treatme... | 01/09/1990 |
| 4750910 | Indigo blue-colored bioabsorbable surgical fibers and production process thereof Blue-colored bioabsorbable surgical fibers are obtained by adding and dispersing a bioabsorbable polymer, which is selected from polyglycolic acid, poly(l-lactic acid) and glycolic acid-l-lactic acid copolymers all of which are useful as surgical fibers, ... | 06/14/1988 |
| 4157893 | Uniformly dyed water-swellable cellulosic fibers Uniformly dyed water-swellable cellulosic fibers obtained by dyeing cellulosic fibers in the swollen state with a dye of the formula ##STR1## in which one R is R1, OR1, SR1 or ##STR2## the other R is ##STR3#... | 06/12/1979 |
| 4154577 | Uniformly disperse dyed water-swellable cellulosic fibers Uniformly dyed water-swellable cellulosic fibers obtained by dyeing cellulosic fibers in the swollen state with a dye of the formula ##STR1## in which D is the radical of a diazo component and R is an aliphatic, cycloaliphatic or araliphatic radical.... | 05/15/1979 |
| 4150943 | Uniformly dyed water-swellable cellulosic fibers Uniformly dyed water-swellable cellulosic fibers which are fast to washing, dry-cleaning, sublimation and light and have been produced by contacting water-swellable cellulose fibers sequentially or concomitantly with water, ethylene glycol or a derivative... | 04/24/1979 |
| 4146535 | Azo dyes having a 3-cyano- or 3-carbamoyl-2,6-diamino-pyridine coupling component Dye formulations for dyeing and printing cellulose and cellulosic textile material which in addition to conventional components contain a dye of the general formula (I): ##STR1## in which D is the radical of a diazo component; R is hydrogen, C1 | 03/27/1979 |
| 4113431 | Method for dyeing cellulose fibers by disperse dyes A cellulose fiber derivative is provided, along with methods of its production, in order to give color features to cellulose fiber compositions while using disperse dyes. The cellulose fiber derivative includes an acyl group of formula ##STR1## ... | 09/12/1978 |
| 3972675 | Process for dyeing skins and furs A new process for dyeing furs and skins below 70°C is provided, which process is carried out with aqueous dyebaths containing a dyestuff, up to 15 g per liter of the whole preparation of an organic non-ionizable oxo compound with only limited solubility ... | 08/03/1976 |
