Dry Dye Composition Other Than Mere Mixture Of Two Or More Dyes Alone Or Process Of Making Patents (Class 8/524)
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Patent number: 10344251Abstract: The disclosure provides compositions and methods for making a colorized solution of an aqueous disinfectant that is both stable in bulk solution and will fade to clear within a predetermined period of time after being applied to a surface, for example as a spray or film. The compositions and methods described here allow an end user to visualize both the extent of coverage and the duration of contact of the disinfectant with the surface, thereby providing more efficient disinfection of the surface.Type: GrantFiled: February 10, 2017Date of Patent: July 9, 2019Assignee: Kinnos, Inc.Inventors: Jason Kang, Kevin Tyan, Katherine Jin
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Patent number: 10329520Abstract: The disclosure provides compositions and methods for making a colorized solution of an aqueous disinfectant that is both stable in bulk solution and will fade to clear within a predetermined period of time after being applied to a surface, for example as a spray or film. The compositions and methods described here allow an end user to visualize both the extent of coverage and the duration of contact of the disinfectant with the surface, thereby providing more efficient disinfection of the surface.Type: GrantFiled: August 3, 2017Date of Patent: June 25, 2019Assignee: Kinnos Inc.Inventors: Jason Kang, Kevin Tyan, Katherine Jin
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Patent number: 10246671Abstract: The disclosure provides compositions and methods for making a colorized solution of an aqueous disinfectant that is both stable in bulk solution and will fade to clear within a predetermined period of time after being applied to a surface, for example as a spray or film. The compositions and methods described here allow an end user to visualize both the extent of coverage and the duration of contact of the disinfectant with the surface, thereby providing more efficient disinfection of the surface.Type: GrantFiled: August 3, 2017Date of Patent: April 2, 2019Assignee: Kinnos Inc.Inventors: Jason Kang, Kevin Tyan, Katherine Jin
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Patent number: 9226497Abstract: Described are agrochemical compositions comprising alkoxylation products according to general formula (I) R1(CO)m—O—[R2O]nR3??(I) wherein R1 is a linear or branched, saturated or unsaturated, optionally hydroxy-functionalized hydrocarbyl radical containing 8 to 30 carbon atoms, R2 is an ethylene, propylene or butylene group or mixtures thereof, R3 is hydrogen or an acyl group containing 1 to 8 carbon atoms, m is 0 or 1, n is an integer between 3 and 100. When R3 is an acyl group, R2 is ethylene, propylene or mixtures thereof, and when R3 is hydrogen, R2 is ethylene, propylene, butylene or mixtures thereof provided that the terminal group represents a butylene oxide unit.Type: GrantFiled: June 29, 2010Date of Patent: January 5, 2016Assignee: Cognis IP Management GmbHInventors: Hans-Georg Mainx, Ingo Fleute-Schlachter, Stefan Busch, Sandra Mack
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Patent number: 8652219Abstract: The invention herein provides for an improved dye material composed of a dry particulate mixture of azo and phthalocyanine dyes for concrete surface applications.Type: GrantFiled: February 22, 2007Date of Patent: February 18, 2014Assignee: Ameripolish, Inc.Inventor: Clint Howle
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Patent number: 8535392Abstract: This invention relates to solid forms of polymeric colorants and the methods and processes for manufacturing the solid colorants. These solid polymeric colorants may be provided in the form of a free-flowing powder and may be useful for coloring solid pucks, tablets, powder detergents, soaps, fertilizers, personal care products, adhesives, sealants, thermoplastic polymers, thermosetting polymers, and the like.Type: GrantFiled: November 25, 2008Date of Patent: September 17, 2013Assignee: Milliken & CompanyInventors: Xiaoyong M Hong, Dominick J Valenti
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Publication number: 20130091637Abstract: The invention relates to spray-dried, washfast dye compositions, preferably in the form of pigment powders, having a bleeding rate of ?0.5% and consisting of water-soluble functional dyes, preferably food dyes, which are firmly incorporated in a silica matrix. Apart from low bleeding of dye, these compositions are remarkable for their high stability to pH changes and/or ascorbic acid. The invention is also directed to the production of the dye compositions and the use thereof. The dye compositions are preferably employed in coloring foods, cosmetics, pharmaceutical products, but also in other uses.Type: ApplicationFiled: June 2, 2010Publication date: April 18, 2013Applicant: Sensient Imaging Technologies GMBHInventors: Volker Lischewski, Christoph Roth, Michael Felicetti, Katrin Schwager
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Patent number: 8002850Abstract: Powder hair coloring or bleaching composition comprising: a) at least one solid source of carbonate ions, carbamate ions, hydrogencarbonate ions, or mixtures thereof; b) at least one solid source of oxidizing agent; c) at least one solid source of ammonium ions; and d) a crosslinked carboxylic acid polymer thickener having a particle size of no more than about 10 microns in an amount which, upon admixture of the powder composition with water to provide a concentration of from about 1% to about 3%, provides the dispersed composition a viscosity of from about 10000 mPas to about 20000 mPas when measured at 0.5 rpm using Brookfield viscometer spindle S52, and a pH of from about 8.5 to about 9.4.Type: GrantFiled: November 19, 2010Date of Patent: August 23, 2011Assignee: The Procter & Gamble CompanyInventors: John Michael Gardlik, Jeffrey Allen Bowles, Bryan Patrick Murphy
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Patent number: 7799095Abstract: A subject-matter of the present invention is an anhydrous composition in the form of a paste or in the pulverulent form for the coloring of the keratinous human fibers comprising at least one oxidation dye, at least one complex of hydrogen peroxide and a specific polymer and at least one alkaline agent. A subject-matter of the invention is likewise a method for coloring keratinous fibers in which the following stages are carried out: —The above mentioned anhydrous composition is mixed with an aqueous composition advantageously devoid of hydrogen peroxide, and the resulting composition is applied to the keratinous fibers, the composition is left to stand and the fibers are rinsed.Type: GrantFiled: June 27, 2008Date of Patent: September 21, 2010Assignee: L'Oreal S.A.Inventors: Maud Mario, Patricia Desenne, Jean-Marie Millequant
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Patent number: 7740665Abstract: By combining a hydrogen peroxide liberating complex with hair coloring dyes, a highly effective hair coloring composition is obtained which comprises a stable dry powder composition which can be stored in a single container. When use is desired, the stable dry powder composition of the present invention is mixed with water, activating the liberation of hydrogen peroxide and allowing the desired hair coloring effect to be achieved. In addition to providing a single stable dry powder formulation, the composition of the present invention is capable of achieving a wide array of shades and coloring effects.Type: GrantFiled: September 15, 2008Date of Patent: June 22, 2010Assignee: Zotos International, Inc.Inventors: Zubaida Khan, Marina Azizova, Rushi Tasker
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Publication number: 20100125957Abstract: This invention relates to solid forms of polymeric colorants and the methods and processes for manufacturing the solid colorants. These solid polymeric colorants may be provided in the form of a free-flowing powder and may be useful for coloring solid pucks, tablets, powder detergents, soaps, fertilizers, personal care products, adhesives, sealants, thermoplastic polymers, thermosetting polymers, and the like.Type: ApplicationFiled: November 25, 2008Publication date: May 27, 2010Inventors: Xiaoyong Hong, Dominick J. Valenti
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Patent number: 7608117Abstract: The present invention relates to a method of producing a granular formulation of colorants soluble in plastics, which method comprises suspending in water a filter cake obtained from preparation of the colorant, adding thereto from 0.1 to 5.0% by weight, calculated with respect to the weight of colorant, of a polyvinylpyrrolidone and, where appropriate, further adjuvants, and then drying the aqueous suspension to form granules, to the granular formulations obtainable according to that method, and to the use thereof in the production of colored plastics or colored polymeric particles.Type: GrantFiled: May 8, 2007Date of Patent: October 27, 2009Assignee: Ciba Specialty Chemicals CorporationInventors: Paolo Balliello, Walter Dümler
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Publication number: 20080250969Abstract: Modified dyes, inks containing modified dyes, and associates methods of manufacture are described. The modified dyes are made by adding a hydrocarbon chain to the unmodified dyes through a hydroxyl, amine, or phenolic functional group. The modification is accomplished using compounds containing reactive groups selected from acid chlorides or halogenated hydrocarbon chains. The modified dyes provide enhanced water fastness and increased dispersibility of the dyes and associated inks.Type: ApplicationFiled: April 16, 2007Publication date: October 16, 2008Inventors: Sivapackia Ganapathiappan, Zhang-Lin Zhou
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Publication number: 20080120792Abstract: The subject of the present invention is the use, for dyeing in particular human keratin materials, of a specific direct azomethine dye, by dry thermal transfer. Its subject is furthermore a method for dyeing keratin materials, in which at least one direct azomethine dye contained in a dry composition, is applied to or close to the keratin materials, and a source of heat is applied, causing the thermal transfer of the direct dye(s) at the surface and/or inside the keratin materials. It relates furthermore to the dry composition and a method for preparing it.Type: ApplicationFiled: February 28, 2006Publication date: May 29, 2008Inventors: Gregory Plos, Luc Gourlaouen, Jean-Dominique Bazin De Bezons
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Patent number: 7129336Abstract: 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) where X1 to X5 are each as defined in claim 1, processes for their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.Type: GrantFiled: January 10, 2005Date of Patent: October 31, 2006Assignee: DyStar Textilfarben GmbH & Co. Deutschland KGInventors: Stefan Ehrenberg, Jörg Wörner, Tracy Livesey
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Patent number: 6942706Abstract: A process for dyeing certain textile fibers, utilizing vat acid dyeing and specific additional (second) reducing agents such as ?-hydroxyalkylsulfinic acids, their salts and 1,2,4-trithiolane, resulting in excellent depth of shade and washfastness, is provided.Type: GrantFiled: March 23, 2004Date of Patent: September 13, 2005Assignee: Invista North America S.a.r.l.Inventors: Stephen M. Birkinshaw, Samit N. Chevli, Michael O. Hunt, Jr., Lee D. Jones, David M. Lewis, David J. Marfell
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Patent number: 6790943Abstract: 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 SO2C2H4 group or via a linking group L; characterized in that at least one SO2C2H4 group is substituted on its terminal carbon atom with at least one Y group wherein Y is derived from a hydrated aldehyde, a hydrated ketone, a hydrated alpha-hydroxy ketone or the hydrated form of formic acid, and linked via one of its oxygen atoms to the terminal carbon of the SO2C2H4 group thereby forming a hemiacetal.Type: GrantFiled: March 27, 2002Date of Patent: September 14, 2004Assignee: North Carolina State UniversityInventors: Peter Jeffrey Broadbent, David Malcolm Lewis, Gilles Yves Marie Fernand Genain, Wei Dong He, Taher Iqbal Yousaf
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Patent number: 6726731Abstract: 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.Type: GrantFiled: June 28, 2001Date of Patent: April 27, 2004Assignee: Procter & Gamble CompanyInventors: Robert Michael Pettifer, Shirley Summers, Peter Gerard Gray
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Patent number: 6723834Abstract: 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 at least one nitrogen-containing heterocycle is substituted with at least one Y group wherein Y is derived from a hydrated aldehyde, a hydrated ketone, a hydrated alpha-hydroxy ketone, or the hydrated form of formic acid and linked via one of its oxygen atoms to the nitrogen-containing heterocycle thereby forming a hemiacetal.Type: GrantFiled: March 27, 2002Date of Patent: April 20, 2004Assignee: North Carolina State UniversityInventors: Peter Jeffrey Broadbent, Dong Wei He, David Malcolm Lewis, Gilles Yves Marie Fernand Ganain, Taher Iqbal Yousaf
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Patent number: 6712862Abstract: 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 dust-binding oil, are low-dust dry formulations of high bulk density which feature good dissolution, transportation and storage properties and are outstandingly suitable for the dyeing of the respective substrates.Type: GrantFiled: May 1, 2000Date of Patent: March 30, 2004Assignee: Clariant Finance (BVI) LimitedInventors: Roland Grimm, Claude Haldimann, Werner Schumann
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Patent number: 6713613Abstract: 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-containing heterocycle is substituted with at least one oxy- or thio-carbonyl derivative wherein the oxy- or thio-carbonyl derivative is selected from Y wherein Y is —A(CO)R* wherein A is selected from O or S and wherein R* is an organic residue which comprises at least one nucleophilic group, and salts thereof.Type: GrantFiled: November 8, 2001Date of Patent: March 30, 2004Assignee: North Carolina State UniversityInventors: David Malcolm Lewis, Wei Dong He, Taher Iqbal Yousaf, Gilles Yves Marie Fernand Genain
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Patent number: 6632805Abstract: 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.Type: GrantFiled: May 7, 1996Date of Patent: October 14, 2003Assignee: Emory UniversityInventors: Lanny S. Liebeskind, Gary D. Allred
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Patent number: 6447553Abstract: 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 rotating drum. The condensed film is then crosslinked with a high-energy ultraviolet or electron-beam radiation source to effect cross-linking of the monomer. The resulting product consists of a crosslinked polymer matrix incorporating dyestuff molecules within its structure, which dramatically enhances the durability, solvent resistance, heat stability and migration fastness of the product. These properties can be further improved by chemically bonding the dyestuff molecules with the crosslinked polymer network, which can be accomplished by judiciously functionalizing the dyestuff with appropriate functional groups designed to polymerize or to react with the curable monomer.Type: GrantFiled: October 24, 2000Date of Patent: September 10, 2002Assignee: Sigma Technologies International, Inc.Inventors: Michael G. Mikhael, Angelo Yializis
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Publication number: 20020088064Abstract: An infrared dye, characterised in that the dye comprises a compound that can be described by molecule 1.Type: ApplicationFiled: August 10, 2001Publication date: July 11, 2002Inventors: Lachlan Everett Hall, Kia Silverbrook
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Patent number: 6277536Abstract: Compounds of the formula (I) 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 and ink-jet inks.Type: GrantFiled: November 3, 1999Date of Patent: August 21, 2001Assignee: Clariant Finance (BVI) LimitedInventors: Bruno Piastra, Bansi Lal Kaul, Jean Christoph Graciet
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Patent number: 6221113Abstract: 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 phenolic derivative of at least 1 g/liter at a temperature of 25° C. and the composition being made up to 100 wt % by water and optionally a water-miscible solvent and/or a dissolving auxiliary; a process of dyeing a substrate like paper with such composition; a powder or granulate form of such composition and the use of such a composition or powder or granulate thereof in a dyeing process.Type: GrantFiled: January 13, 1998Date of Patent: April 24, 2001Assignee: Clariant Finance (BVI) LimitedInventor: Jürgen Geiwiz
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Patent number: 6190421Abstract: 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 optionally one or more couplers, of a composition (B), in powder form, containing one or more direct dyes, preferably cationic, optionally dispersed in an organic pulverulent excipient and/or a mineral pulverulent excipient, and a composition (C) containing one or more oxidizing agents. The invention also features a ready-to-use composition of three components (A), (B), and (C) stored separately and mixed at the time of use to be applied on keratin fibers.Type: GrantFiled: December 15, 1998Date of Patent: February 20, 2001Assignee: L'OrealInventors: Christine Rondeau, Nicole Zemori
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Patent number: 6121352Abstract: 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 highly useful for dyeing and printing hydrophobic synthetic material.Type: GrantFiled: March 18, 1999Date of Patent: September 19, 2000Assignee: Dystar Textifarben GmbH & Co.Inventors: Manfred Hoppe, Kiyoshi Himeno, Ryouichi Sekioka
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Patent number: 6045591Abstract: 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 medium, wherein the dye composition is ready to use or results from mixing, at the time of use, at least one pulverulent composition (P) comprising at least one basic direct dye and an aqueous composition (A).Type: GrantFiled: December 7, 1998Date of Patent: April 4, 2000Assignee: L'OrealInventor: Christelle Deneulenaere
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Patent number: 5980589Abstract: 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 disclosed to be prepared by substantial removal of the low molecular weight component of the sulfonated and sulfomethylated lignin. Exclusion of the low molecular weight portion of the dispersant may be accomplished by fractionation of the sulfonated or sulfomethylated lignin to remove a substantial portion of the molecules having a molecular weight below 3,000. Alternatively, in the case of lignin recovered from sulfate or soda wood pulping processes, the lignin may be fractionated to remove a substantial portion of the molecules having a molecular weight below 3,000 prior to sulfonation or sulfomethylation.Type: GrantFiled: September 12, 1996Date of Patent: November 9, 1999Assignee: Westvaco CorporationInventors: Peter Dilling, Sallie B. Huguenin
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Patent number: 5961665Abstract: 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 an applicator container so that the container is partially filled with the dye composition. Then when the user desires to use the dye, water is added to the container, the container shaken to mix the water and the powdered dye composition, and the mixture is then applied to the hair using an application mechanism which allows for easy and efficient application of the dye to the hair.Type: GrantFiled: January 7, 1998Date of Patent: October 5, 1999Inventor: Yoram Fishman
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Patent number: 5944856Abstract: 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 phenolic derivative of at least 1 g/liter at a temperature of 25.degree. C. and the composition being made up to 100 wt % by water and optionally a water-miscible solvent and/or a dissolving auxiliary; a process of dyeing a substrate like paper with such composition; a powder or granulate form of such composition and the use of such a composition or powder or granulate thereof in a dyeing process.Type: GrantFiled: January 13, 1998Date of Patent: August 31, 1999Assignee: Clariant Finanace (BVI) LimitedInventor: Jurgen Geiwiz
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Patent number: 5922085Abstract: 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; separating the oxidation products from the triphenylmethane dye to produce an aqueous solution of oxidation products; treating the solution of oxidation products with a basic compound; separating unreacted aniline from the solution of oxidation products and forming a mixture of oxidation products; and sulfonating the mixture of oxidation products to form a dye composition.Type: GrantFiled: September 30, 1997Date of Patent: July 13, 1999Assignee: BASF CorporationInventors: Gray D. Ellis, Belinda J. DiMarcello, Debra J. Bradshaw
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Patent number: 5902356Abstract: 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, X.sup.1, X.sup.2, Z.sup.1, Z.sup.2, Z.sup.3, n.sup.1 and n.sup.2 are each as defined in Claim 1.Type: GrantFiled: July 3, 1997Date of Patent: May 11, 1999Assignee: DyStar Japan Ltd.Inventors: Ulrich Buhler, Hubert Kruse, Rainer Az
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Patent number: 5769901Abstract: 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 an applicator container so that the container is partially filled with the dye composition. Then when the user desires to use the dye, water is added to the container, the container shaken to mix the water and the powdered dye composition, and the mixture is then applied to the hair using an application mechanism which allows for easy and efficient application of the dye to the hair.Type: GrantFiled: April 1, 1996Date of Patent: June 23, 1998Inventor: Yoram Fishman
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Patent number: 5755830Abstract: 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 disclosed to be prepared by substantial removal of the low molecular weight component of the sulfonated and sulfomethylated lignin. Exclusion of the low molecular weight portion of the dispersant may be accomplished by fractionation of the sulfonated or sulfomethylated lignin to remove a substantial portion of the molecules having a molecular weight below 3,000. Alternatively, in the case of lignin recovered from sulfate or soda wood pulping processes, the lignin may be fractionated to remove a substantial portion of the molecules having a molecular weight below 3,000 prior to sulfonation or sulfomethylation.Type: GrantFiled: September 12, 1996Date of Patent: May 26, 1998Assignee: Westvaco CorporationInventors: Peter Dilling, Sallie B. Huguenin
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Patent number: 5749926Abstract: 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 disclosed to be prepared by substantial removal of the low molecular weight component of the sulfonated and sulfomethylated lignin. Exclusion of the low molecular weight portion of the dispersant may be accomplished by fractionation of the sulfonated or sulfomethylated lignin to remove a substantial portion of the molecules having a molecular weight below 3,000. Alternatively, in the case of lignin recovered from sulfate or soda wood pulping processes, the lignin may be fractionated to remove a substantial portion of the molecules having a molecular weight below 3,000 prior to sulfonation or sulfomethylation.Type: GrantFiled: September 12, 1996Date of Patent: May 12, 1998Assignee: Westvaco CorporationInventors: Peter Dilling, Sallie B. Huguenin
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Patent number: 5743920Abstract: 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 substrates. The tint packet has an indefinite shelf life, is stable even in summer temperatures and high humidity, protects the user from any contact with the dye material, and does not leave solid waste for disposal.Type: GrantFiled: August 23, 1996Date of Patent: April 28, 1998Inventor: George Kohan
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Patent number: 5611818Abstract: 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.degree. C. and drying the reaction mixture, there are obtained very stable leuco sulphur dyes (L), which are practically free of sulphides and polysulphides, are readily and completely soluble in water and are usable for the dyeing of substrates dyeable with sulphur dyes, by which a disturbing development of H.sub.2 S or a disturbing inorganic sulphide occurrance in the waste water can be efficiently avoided; by spray-drying in a drying time <4 minutes as described there are obtained sulphide-free, stable leuco sulphur dyes (L) readily soluble in water and particularly suitable for sulphide-free dyeing, in particular for the dyeing of polyamidic fibrous substrates, especially of wool.Type: GrantFiled: November 22, 1993Date of Patent: March 18, 1997Assignee: Sandoz Ltd.Inventor: Manuel J. Domingo
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Patent number: 5486214Abstract: 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 Streptomyces or Phanerochaete. In especially preferred embodiments, the aromatic ring has a first substituent R.sub.1 selected from among hydroxy, lower alkoxy, or amino, and a second substituent R.sub.2 selected from among lower alkyl, lower alkoxy and halogen. Some embodiments include a third ring substituent R.sub.3 selected from the group lower alkyl, lower alkoxy, and halogen.Type: GrantFiled: August 12, 1992Date of Patent: January 23, 1996Assignee: Idaho Research Foundation, Inc.Inventors: Andrzej Paszczynski, Stefan Goszczynski, Ronald L. Crawford, Donald L. Crawford, Maria B. Pasti
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Patent number: 5437688Abstract: 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 --C.sub.s H.sub.2s+1, in which s is an integer of 5 to 20 and wherein the content of the granulating auxiliary agent is 5 parts by weight or less per 100 parts by weight of the reactive dye.Type: GrantFiled: December 14, 1993Date of Patent: August 1, 1995Assignee: Sumitomo Chemical Company, LimitedInventors: Noriaki Yamauchi, Nobuaki Kawamura, Tatuo Miura, Shuhei Hashizume, Isao Nakamae, Kazumi Yoshigoe, Hiroyuki Suzuki, Iwao Minami
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Patent number: 5366512Abstract: 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.Type: GrantFiled: November 10, 1992Date of Patent: November 22, 1994Assignee: Hoechst AktiengesellschaftInventors: Peter Mischke, Konrad Opitz, Karl Rebsamen
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Patent number: 5259850Abstract: 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, which is excellent in storage stability, compatibility with water and hot water, and reproducibility, when used for dyeing or printing cellulose fibers.Type: GrantFiled: August 16, 1991Date of Patent: November 9, 1993Assignee: Sumitomo Chemical Company, LimitedInventors: Naoki Harada, Noriaki Yamauchi, Syuhei Hashizume, Yutaka Kayane, Kazumi Yoshigoe, Isao Nakamae
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Patent number: 5254136Abstract: 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 various fastness properties.A fiber reactive dye composition which comprises at least five reactive dyes selected from the groups of reactive dyes represented by the following formulas (I) to (VII) respectively in the form of free acid: ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen, alkyl, ureido or the like, R.sub.5 and R.sub.6 are each hydrogen, sulfo or the like, R.sub.3, R.sub.4, R.sub.7 to R.sub.13 and R.sub.15 to R.sub.18 are each hydrogen, alkyl or the like, R.sub.14 is --O-- or ##STR2## A, B, D, E, G, J and L are each phenylene or the like, X.sub.1 to X.sub.6 are each halogen, Y.sub.1 to Y.sub.7 are each --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 C.sub.2 H.sub.4 Z, Z being a group capable of being split off by the action of an alkali, m.sub.1 to m.Type: GrantFiled: July 30, 1992Date of Patent: October 19, 1993Assignee: Sumitomo Chemical Company, LimitedInventors: Miwako Fujii, Naoki Harada, Shuhei Hashizume
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Patent number: 5244476Abstract: The present invention relates to compounds of the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, x and y are defined as in the description, processes for their preparation, their use for improving the light stability of polyester dyeings and a dyeing process and dye preparations.Type: GrantFiled: March 13, 1992Date of Patent: September 14, 1993Assignee: Cassella AGInventors: Joachim Schulz, Gunter Bartels
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Patent number: 5242467Abstract: 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.Type: GrantFiled: August 28, 1992Date of Patent: September 7, 1993Assignee: Hoechst Mitsubishi Kasei Co., Ltd.Inventors: Yuji Yamada, Mitsuhiro Suzuki, Kensuke Suzuki
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Patent number: 5224966Abstract: 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 and then heat treating it, which comprises using a dye preparation which contains one or more disperse dyes and one or more flame retardants based on halogen-free phosphoric and/or phosphonic acid derivatives with or without thickeners and/or foam-forming agents. The disperse dyes used are thermosol dyes.Type: GrantFiled: March 6, 1991Date of Patent: July 6, 1993Assignee: Hoechst AktiengesellschaftInventors: Alfred Kroneis, Hans Beiertz
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Patent number: 5207802Abstract: 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 components, are valuable interface-active compounds suitable as assistants in various application fields, in particular as dispersing or levelling agents in the dyeing with disperse dyes or as tanning-assistants or dyeing-assistants for leather.Type: GrantFiled: August 23, 1990Date of Patent: May 4, 1993Assignee: Sandoz Ltd.Inventor: Hans-Peter Baumann
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Patent number: 5176718Abstract: 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.Type: GrantFiled: June 12, 1991Date of Patent: January 5, 1993Assignee: Bayer AktiengesellschaftInventors: Martin Michna, Manfred Hoppe, Karl-Josef Herd, Hermann Henk, Frank-Michael Stohr
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Patent number: 5174791Abstract: 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 compounds of general formula (I).Type: GrantFiled: August 5, 1991Date of Patent: December 29, 1992Assignee: Cassella AktiengesellschaftInventors: Ulrich Buhler, Klaus Hofmann, Hubert Kruse, Jurgen Kuhlwein, Willi Steckelberg