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| Number | Title | Issue Date |
| 7291184 | Method of reducing the organic carbon content of production waste water in the course of the preparation of concentrated solutions of anionic organic compounds The present invention relates to a method of reducing the total organic carbon (TOC) content of waste water in the course of the preparation of concentrated solutions or suspensions of anionic organic compounds, which method comprises increasing the concentration of... | 11/06/2007 |
| 7211134 | Dye mixture and ink containing the same A novel compound having sufficiently high fastness to light, heat, humidity and active gas in the environment and a coloring composition using the compound, particularly, an ink for ink jet recording, an ink jet recording method and a method for improving the preser... | 05/01/2007 |
| 7172652 | Carbon black granules The present invention is directed to carbon black granules containing a sorbitan triester. In addition, a process for the production of these carbon black granules is described, in which a powdered carbon black or beaded carbon black is beaded with a sorbitan triest... | 02/06/2007 |
| 7129336 | Reactive azo dyes, their preparation and their use The present invention relates to reactive dyes of the general formula (1) where Y is a heterocyclic reactive group of the general formula (2) or (3) | 10/31/2006 |
| 7060807 | AOX-free navy and black disperse dyes Monoazo dyestuffs of the general formula (1) wherein R1, R2, R3 and n are as defined in claim 1, method for their preparation and a method for colouring a synthetic textile... | 06/13/2006 |
| 7053140 | Colored thermoplastic resin compositions for laser welding, colorants therefor of mixtures of amine salts of anthraquinone and monoazo complex dyes, and molded product therefrom Thermoplastic resin compositions are described in which amine salts of anthraquinone dyes and monoazo complex dyes are added. These compositions show superior performance in laser welding applications. ... | 05/30/2006 |
| 6942706 | Vat acid dyeing of textile fibers A process for dyeing certain textile fibers, utilizing vat acid dyeing and specific additional (second) reducing agents such as α-hydroxyalkylsulfinic acids, their salts and 1,2,4-trithiolane, resulting in excellent depth of shade and washfastness, is provided.... | 09/13/2005 |
| 6790943 | 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 chromophore moiety either directly via the sulphur atom of the SO2C2... | 09/14/2004 |
| 6726731 | Fabric treatment composition The present invention relates to a fabric treatment composition comprising surfactant, fabric substantive dye and dye auxiliary agent. The fabric treatment composition of the invention can be used to change, refresh or maintain the color of fabric. ... | 04/27/2004 |
| 6723834 | 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; characterized in that a... | 04/20/2004 |
| 6713613 | 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... | 03/30/2004 |
| 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 additives, additionally containing (E) a d... | 03/30/2004 |
| 6632805 | Methods for using water-stabilized organosilanes A method of dyeing and treating a substrate using a water-stabilized organosilane. A method of antimicrobially treating a food article. A method of antimicrobially coating a fluid container. A method of antimicrobially coating a latex medical article.... | 10/14/2003 |
| 6447553 | Vacuum-deposited colorants A radiation curable monomer and a dystuff are mixed in a curable formulation and fed into a hot evaporator under vacuum. The blend is flash evaporated through a nozzle and recondensed onto a moving substrate in contact with a temperature-controlled rotati... | 09/10/2002 |
| 6277536 | Heterocyclic compounds Compounds of the formula (I) ##STR1## in which the substituents are as defined in claim 1 are valuable colorants for the mass coloring of polymers, with fluorescence property, in electrophotographics toners and developers, in powders coating materials ... | 08/21/2001 |
| 6221113 | Liquid dyestuff compositions A liquid dyestuff composition comprising from 4 to 50 wt % of a basic or cationic water soluble dyestuff, an organic or inorganic acid and 0.1 to 15.0 wt % of a phenolic derivative, the dyestuff having a solubility in water in the presence or absence of a... | 04/24/2001 |
| 6190421 | Method for dyeing keratin fibres with oxidation dye precursors and direct powder dyes A method for dyeing keratin fibers, particularly human keratin fibers, and more particularly hair. When the method is used, an extemporaneous mixture is applied on the fibers of a composition (A) containing one or more oxidation dye precursors and optiona... | 02/20/2001 |
| 6121352 | Disperse azo dye mixtures The present invention relates to dye mixtures comprising at least one compound of the formula (I) ##STR1## and at least one compound of the formula (II) ##STR2## where the substituents are each as defined in the description part, which are ... | 09/19/2000 |
| 6045591 | Process for the two-step direct dyeing of keratin fibres using basic direct dyes The invention relates to a process for the two-step direct dyeing of keratin fibres, comprising bleaching the keratin fibres; and applying to the keratin fibres a dye composition comprising at least one partially dissolved basic direct dye and an aqueous ... | 04/04/2000 |
| 5980589 | High activity sulfonated lignin dye dispersants Improved dyestuff compositions comprising a dye cake and a dye dispersant are disclosed wherein the dye dispersant comprises sulfonated or sulfomethylated lignin of increased activity and improved heat stability properties and which dispersants are disclo... | 11/09/1999 |
| 5961665 | Methods for preparing liquid hair dye compositions from powdered hair dye compositions, dyeing systems, and methods of application A composition for a powdered hair dye includes an oxidative dye component, an oxidizing component and a thickening component. Other additives including protein derivatives and sucrose may also be utilized. The powdered dye composition may be placed into a... | 10/05/1999 |
| 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 |
| 5902356 | Textile dye preparations The present invention relates to liquid or pulverulent textile dye preparations including one or more dispersants based on an alkoxylated and carboxylic-esterified castor oil of the general formula I ##STR1## where A, X1, X2, Z | 05/11/1999 |
| 5769901 | Powdered hair dye composition and method of application A composition for a powdered hair dye includes an oxidative dye component, an oxidizing component and a thickening component. Other additives including protein derivatives and sucrose may also be utilized. The powdered dye composition may be placed into a... | 06/23/1998 |
| 5755830 | Method of preparing high activity sulfonated lignin dye dispersants Improved dyestuff compositions comprising a dye cake and a dye dispersant are disclosed wherein the dye dispersant comprises sulfonated or sulfomethylated lignin of increased activity and improved heat stability properties and which dispersants are disclo... | 05/26/1998 |
| 5749926 | Method of preparing high activity sulfonated lignin dye dispersants Improved dyestuff compositions comprising a dye cake and a dye dispersant are disclosed wherein the dye dispersant comprises sulfonated or sulfomethylated lignin of increased activity and improved heat stability properties and which dispersants are disclo... | 05/12/1998 |
| 5743920 | No-mess ophthalmic lens tinting process A safe, neat and more convenient process for tinting plastic optical lens substrates is provided by a novel packaging system. The tint dyes are provided in a water-soluble tint packet for the convenient preparation of solutions for tinting optical lens su... | 04/28/1998 |
| 5611818 | Dry leuco sulphur dyes in particulate form By reducing a sulphur dye (S) in aqueous medium with a reducing carbonyl compound in the presence of alkali metal hydroxide and optionally alkali metal (bi)sulphite at temperatures above 60° C. and drying the reaction mixture, there are obtained very sta... | 03/18/1997 |
| 5486214 | Biodegradable azo dyes A biodegradable azo dye contains a nitrogen atom linked to an aromatic ring having a lignin-like substitution pattern. The ring is preferably a syringyl or guaiacol moiety, and provides a naturally-occurring structure for attack by microorganisms, such as... | 01/23/1996 |
| 5437688 | Granular reactive dye composition and production process thereof A granular reactive dye composition comprising a water-soluble reactive dye and at least one granulating auxiliary agent selected from the group consisting of compounds of the following formula (3), ##STR1## wherein R is --Cs H2s+1 | 08/01/1995 |
| 5366512 | Low-dust or dust-free dye preparations The invention provides for the use of alkanediols of from 4 to 8 carbon atoms as dustproofing agents in solid dye preparations. Dye preparations (powders) which contain such alkanediols are extremely low-dusting.... | 11/22/1994 |
| 5259850 | Granular type reactive dye compositions and methods for dyeing and printing cellulose fibers using the same A granular type reactive dye composition containing a reactive dye, an inorganic salt and water, the water content being from 4.5 through 15% by weight and the inorganic salt content being 20% by weight or less, both based on the weight of the composition... | 11/09/1993 |
| 5254136 | Trichromatic fiber reactive dye composition and method for dyeing or printing fiber materials using the composition Provided is a fiber reactive dye composition which can dye or print cellulose based fiber materials or materials containing the fiber materials uniformly with good build-up property and reproducibility and give dyed or printed products excellent in variou... | 10/19/1993 |
| 5244476 | Benzophenone ether esters, processes for their preparation, and their use for improving the light stability of polyester dyeings The present invention relates to compounds of the general formula I ##STR1## in which R1, R2, R3, R4, R5, x and y are defined as in the description, processes for their preparation, their use for ... | 09/14/1993 |
| 5242467 | Reactive dye mixtures and dyeing methods using them: C.I. reactive orange numbers 16 and 7 A reactive dye mixture which comprises, as dye components, from 10 to 57% by weight of C.I. Reactive Orange 16 and from 90 to 43% by weight of C.I. Reactive Orange 7.... | 09/07/1993 |
| 5224966 | Process for single-bath dyeing and flameproofing of textile sheet materials using disperse dye and haldeen-free phosphorus-containing flame retardant There is described a process for the simultaneous dyeing and flameproofing of textile sheet materials made of polyester fibers by padding or printing the textile material with a dye preparation, partially or completely drying the treated textile material ... | 07/06/1993 |
| 5207802 | Sulpho group-containing aromatic compounds, their production and use as dispersants or levelling agents in dyeing textiles or tanning leather Compounds and mixtures of compounds obtainable by condensation of sulphonation products of defined alkyl-substituted naphthalenes and sulphonation products of optionally alkyl-substituted diphenylethers with formaldehye and optionally treated with further... | 05/04/1993 |
| 5176718 | Reactive dyestuff preparations containing pyridine derivatives Preparations of water-soluble reactive dyestuffs containing pyridine derivatives of the formula ##STR1## or salts of, in which the substituents have the meanings given in the description, are highly suitable for the dyeing of cellulose materials.... | 01/05/1993 |
| 5174792 | Mixtures of monoazo dyes: dicyano-nitrobenzene azo compounds The invention relates to mixtures of monoazo dyes, which are characterized in that they consist of one or more dyes of the general formula I ##STR1## and one or more dyes of the general formula II ##STR2## where R1 is methyl, ethyl, n... | 12/29/1992 |
| 5174791 | Process for dyeing and printing blend fabrics of polyester and natural fibre materials with disperse dye and polyether-polyester to inhibit soilins with disperse dye Process for dyeing and printing blended fabrics made from polyester and natural fibre materials, characterized in that the dye baths, padding liquors or printing pastes contain compounds of general formula (I). Dye preparations containing one or more comp... | 12/29/1992 |
